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-rw-r--r--fs/aio.c2
-rw-r--r--fs/binfmt_elf.c12
-rw-r--r--fs/binfmt_elf_fdpic.c12
-rw-r--r--fs/btrfs/super.c2
-rw-r--r--fs/ceph/dir.c1
-rw-r--r--fs/ceph/file.c2
-rw-r--r--fs/compat_binfmt_elf.c4
-rw-r--r--fs/compat_ioctl.c917
-rw-r--r--fs/ecryptfs/file.c1
-rw-r--r--fs/exec.c1
-rw-r--r--fs/ext4/ioctl.c1
-rw-r--r--fs/f2fs/file.c1
-rw-r--r--fs/fat/file.c13
-rw-r--r--fs/fuse/dev.c33
-rw-r--r--fs/gfs2/file.c30
-rw-r--r--fs/hpfs/dir.c1
-rw-r--r--fs/hpfs/file.c1
-rw-r--r--fs/io_uring.c58
-rw-r--r--fs/ioctl.c80
-rw-r--r--fs/namei.c8
-rw-r--r--fs/nilfs2/ioctl.c1
-rw-r--r--fs/notify/fanotify/fanotify_user.c2
-rw-r--r--fs/ocfs2/aops.c1
-rw-r--r--fs/ocfs2/ioctl.c1
-rw-r--r--fs/pipe.c232
-rw-r--r--fs/select.c10
-rw-r--r--fs/splice.c197
-rw-r--r--fs/timerfd.c14
-rw-r--r--fs/userfaultfd.c2
-rw-r--r--fs/utimes.c8
30 files changed, 517 insertions, 1131 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 0d9a559d488c..a9fbad2ce5e6 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -2056,7 +2056,7 @@ static long do_io_getevents(aio_context_t ctx_id,
* specifies an infinite timeout. Note that the timeout pointed to by
* timeout is relative. Will fail with -ENOSYS if not implemented.
*/
-#if !defined(CONFIG_64BIT_TIME) || defined(CONFIG_64BIT)
+#ifdef CONFIG_64BIT
SYSCALL_DEFINE5(io_getevents, aio_context_t, ctx_id,
long, min_nr,
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index c5642bcb6b46..5372eabd276a 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1489,18 +1489,18 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
* group-wide total, not its individual thread total.
*/
thread_group_cputime(p, &cputime);
- prstatus->pr_utime = ns_to_timeval(cputime.utime);
- prstatus->pr_stime = ns_to_timeval(cputime.stime);
+ prstatus->pr_utime = ns_to_kernel_old_timeval(cputime.utime);
+ prstatus->pr_stime = ns_to_kernel_old_timeval(cputime.stime);
} else {
u64 utime, stime;
task_cputime(p, &utime, &stime);
- prstatus->pr_utime = ns_to_timeval(utime);
- prstatus->pr_stime = ns_to_timeval(stime);
+ prstatus->pr_utime = ns_to_kernel_old_timeval(utime);
+ prstatus->pr_stime = ns_to_kernel_old_timeval(stime);
}
- prstatus->pr_cutime = ns_to_timeval(p->signal->cutime);
- prstatus->pr_cstime = ns_to_timeval(p->signal->cstime);
+ prstatus->pr_cutime = ns_to_kernel_old_timeval(p->signal->cutime);
+ prstatus->pr_cstime = ns_to_kernel_old_timeval(p->signal->cstime);
}
static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index d86ebd0dcc3d..240f66663543 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1359,17 +1359,17 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
* group-wide total, not its individual thread total.
*/
thread_group_cputime(p, &cputime);
- prstatus->pr_utime = ns_to_timeval(cputime.utime);
- prstatus->pr_stime = ns_to_timeval(cputime.stime);
+ prstatus->pr_utime = ns_to_kernel_old_timeval(cputime.utime);
+ prstatus->pr_stime = ns_to_kernel_old_timeval(cputime.stime);
} else {
u64 utime, stime;
task_cputime(p, &utime, &stime);
- prstatus->pr_utime = ns_to_timeval(utime);
- prstatus->pr_stime = ns_to_timeval(stime);
+ prstatus->pr_utime = ns_to_kernel_old_timeval(utime);
+ prstatus->pr_stime = ns_to_kernel_old_timeval(stime);
}
- prstatus->pr_cutime = ns_to_timeval(p->signal->cutime);
- prstatus->pr_cstime = ns_to_timeval(p->signal->cstime);
+ prstatus->pr_cutime = ns_to_kernel_old_timeval(p->signal->cutime);
+ prstatus->pr_cstime = ns_to_kernel_old_timeval(p->signal->cstime);
prstatus->pr_exec_fdpic_loadmap = p->mm->context.exec_fdpic_loadmap;
prstatus->pr_interp_fdpic_loadmap = p->mm->context.interp_fdpic_loadmap;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index a98c3c71fc54..f452a94abdc3 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2299,7 +2299,7 @@ static const struct super_operations btrfs_super_ops = {
static const struct file_operations btrfs_ctl_fops = {
.open = btrfs_control_open,
.unlocked_ioctl = btrfs_control_ioctl,
- .compat_ioctl = btrfs_control_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.owner = THIS_MODULE,
.llseek = noop_llseek,
};
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index d17a789fd856..2e4764fd1872 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1809,6 +1809,7 @@ const struct file_operations ceph_dir_fops = {
.open = ceph_open,
.release = ceph_release,
.unlocked_ioctl = ceph_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.fsync = ceph_fsync,
.lock = ceph_lock,
.flock = ceph_flock,
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 8de633964dc3..11929d2bb594 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -2188,7 +2188,7 @@ const struct file_operations ceph_file_fops = {
.splice_read = generic_file_splice_read,
.splice_write = iter_file_splice_write,
.unlocked_ioctl = ceph_ioctl,
- .compat_ioctl = ceph_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.fallocate = ceph_fallocate,
.copy_file_range = ceph_copy_file_range,
};
diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c
index b7f9ffa1d5f1..aaad4ca1217e 100644
--- a/fs/compat_binfmt_elf.c
+++ b/fs/compat_binfmt_elf.c
@@ -48,8 +48,8 @@
#define elf_prstatus compat_elf_prstatus
#define elf_prpsinfo compat_elf_prpsinfo
-#undef ns_to_timeval
-#define ns_to_timeval ns_to_old_timeval32
+#undef ns_to_kernel_old_timeval
+#define ns_to_kernel_old_timeval ns_to_old_timeval32
/*
* To use this file, asm/elf.h must define compat_elf_check_arch.
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index a7ec2d3dff92..9ae90d728c0f 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -11,8 +11,6 @@
* ioctls.
*/
-#include <linux/joystick.h>
-
#include <linux/types.h>
#include <linux/compat.h>
#include <linux/kernel.h>
@@ -27,13 +25,9 @@
#include <linux/file.h>
#include <linux/ppp-ioctl.h>
#include <linux/if_pppox.h>
-#include <linux/mtio.h>
#include <linux/tty.h>
#include <linux/vt_kern.h>
-#include <linux/raw.h>
#include <linux/blkdev.h>
-#include <linux/rtc.h>
-#include <linux/pci.h>
#include <linux/serial.h>
#include <linux/ctype.h>
#include <linux/syscalls.h>
@@ -42,13 +36,6 @@
#include "internal.h"
-#include <net/bluetooth/bluetooth.h>
-#include <net/bluetooth/hci_sock.h>
-#include <net/bluetooth/rfcomm.h>
-
-#include <linux/capi.h>
-#include <linux/gigaset_dev.h>
-
#ifdef CONFIG_BLOCK
#include <linux/cdrom.h>
#include <linux/fd.h>
@@ -60,448 +47,11 @@
#include <linux/uaccess.h>
#include <linux/watchdog.h>
-#include <linux/soundcard.h>
-
#include <linux/hiddev.h>
#include <linux/sort.h>
-#ifdef CONFIG_SPARC
-#include <linux/fb.h>
-#include <asm/fbio.h>
-#endif
-
-#define convert_in_user(srcptr, dstptr) \
-({ \
- typeof(*srcptr) val; \
- \
- get_user(val, srcptr) || put_user(val, dstptr); \
-})
-
-static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
- int err;
-
- err = security_file_ioctl(file, cmd, arg);
- if (err)
- return err;
-
- return vfs_ioctl(file, cmd, arg);
-}
-
-#ifdef CONFIG_BLOCK
-typedef struct sg_io_hdr32 {
- compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
- compat_int_t dxfer_direction; /* [i] data transfer direction */
- unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
- unsigned char mx_sb_len; /* [i] max length to write to sbp */
- unsigned short iovec_count; /* [i] 0 implies no scatter gather */
- compat_uint_t dxfer_len; /* [i] byte count of data transfer */
- compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
- or scatter gather list */
- compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
- compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
- compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
- compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
- compat_int_t pack_id; /* [i->o] unused internally (normally) */
- compat_uptr_t usr_ptr; /* [i->o] unused internally */
- unsigned char status; /* [o] scsi status */
- unsigned char masked_status; /* [o] shifted, masked scsi status */
- unsigned char msg_status; /* [o] messaging level data (optional) */
- unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
- unsigned short host_status; /* [o] errors from host adapter */
- unsigned short driver_status; /* [o] errors from software driver */
- compat_int_t resid; /* [o] dxfer_len - actual_transferred */
- compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
- compat_uint_t info; /* [o] auxiliary information */
-} sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
-
-typedef struct sg_iovec32 {
- compat_uint_t iov_base;
- compat_uint_t iov_len;
-} sg_iovec32_t;
-
-static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
-{
- sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
- sg_iovec32_t __user *iov32 = dxferp;
- int i;
-
- for (i = 0; i < iovec_count; i++) {
- u32 base, len;
-
- if (get_user(base, &iov32[i].iov_base) ||
- get_user(len, &iov32[i].iov_len) ||
- put_user(compat_ptr(base), &iov[i].iov_base) ||
- put_user(len, &iov[i].iov_len))
- return -EFAULT;
- }
-
- if (put_user(iov, &sgio->dxferp))
- return -EFAULT;
- return 0;
-}
-
-static int sg_ioctl_trans(struct file *file, unsigned int cmd,
- sg_io_hdr32_t __user *sgio32)
-{
- sg_io_hdr_t __user *sgio;
- u16 iovec_count;
- u32 data;
- void __user *dxferp;
- int err;
- int interface_id;
-
- if (get_user(interface_id, &sgio32->interface_id))
- return -EFAULT;
- if (interface_id != 'S')
- return do_ioctl(file, cmd, (unsigned long)sgio32);
-
- if (get_user(iovec_count, &sgio32->iovec_count))
- return -EFAULT;
-
- {
- void __user *top = compat_alloc_user_space(0);
- void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
- (iovec_count * sizeof(sg_iovec_t)));
- if (new > top)
- return -EINVAL;
-
- sgio = new;
- }
-
- /* Ok, now construct. */
- if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
- (2 * sizeof(int)) +
- (2 * sizeof(unsigned char)) +
- (1 * sizeof(unsigned short)) +
- (1 * sizeof(unsigned int))))
- return -EFAULT;
-
- if (get_user(data, &sgio32->dxferp))
- return -EFAULT;
- dxferp = compat_ptr(data);
- if (iovec_count) {
- if (sg_build_iovec(sgio, dxferp, iovec_count))
- return -EFAULT;
- } else {
- if (put_user(dxferp, &sgio->dxferp))
- return -EFAULT;
- }
-
- {
- unsigned char __user *cmdp;
- unsigned char __user *sbp;
-
- if (get_user(data, &sgio32->cmdp))
- return -EFAULT;
- cmdp = compat_ptr(data);
-
- if (get_user(data, &sgio32->sbp))
- return -EFAULT;
- sbp = compat_ptr(data);
-
- if (put_user(cmdp, &sgio->cmdp) ||
- put_user(sbp, &sgio->sbp))
- return -EFAULT;
- }
-
- if (copy_in_user(&sgio->timeout, &sgio32->timeout,
- 3 * sizeof(int)))
- return -EFAULT;
-
- if (get_user(data, &sgio32->usr_ptr))
- return -EFAULT;
- if (put_user(compat_ptr(data), &sgio->usr_ptr))
- return -EFAULT;
-
- err = do_ioctl(file, cmd, (unsigned long) sgio);
-
- if (err >= 0) {
- void __user *datap;
-
- if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
- sizeof(int)) ||
- get_user(datap, &sgio->usr_ptr) ||
- put_user((u32)(unsigned long)datap,
- &sgio32->usr_ptr) ||
- copy_in_user(&sgio32->status, &sgio->status,
- (4 * sizeof(unsigned char)) +
- (2 * sizeof(unsigned short)) +
- (3 * sizeof(int))))
- err = -EFAULT;
- }
-
- return err;
-}
-
-struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
- char req_state;
- char orphan;
- char sg_io_owned;
- char problem;
- int pack_id;
- compat_uptr_t usr_ptr;
- unsigned int duration;
- int unused;
-};
-
-static int sg_grt_trans(struct file *file,
- unsigned int cmd, struct compat_sg_req_info __user *o)
-{
- int err, i;
- sg_req_info_t __user *r;
- r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
- err = do_ioctl(file, cmd, (unsigned long)r);
- if (err < 0)
- return err;
- for (i = 0; i < SG_MAX_QUEUE; i++) {
- void __user *ptr;
- int d;
-
- if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
- get_user(ptr, &r[i].usr_ptr) ||
- get_user(d, &r[i].duration) ||
- put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
- put_user(d, &o[i].duration))
- return -EFAULT;
- }
- return err;
-}
-#endif /* CONFIG_BLOCK */
-
-struct sock_fprog32 {
- unsigned short len;
- compat_caddr_t filter;
-};
-
-#define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
-#define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
-
-static int ppp_sock_fprog_ioctl_trans(struct file *file,
- unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
-{
- struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
- void __user *fptr64;
- u32 fptr32;
- u16 flen;
-
- if (get_user(flen, &u_fprog32->len) ||
- get_user(fptr32, &u_fprog32->filter))
- return -EFAULT;
-
- fptr64 = compat_ptr(fptr32);
-
- if (put_user(flen, &u_fprog64->len) ||
- put_user(fptr64, &u_fprog64->filter))
- return -EFAULT;
-
- if (cmd == PPPIOCSPASS32)
- cmd = PPPIOCSPASS;
- else
- cmd = PPPIOCSACTIVE;
-
- return do_ioctl(file, cmd, (unsigned long) u_fprog64);
-}
-
-struct ppp_option_data32 {
- compat_caddr_t ptr;
- u32 length;
- compat_int_t transmit;
-};
-#define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
-
-struct ppp_idle32 {
- compat_time_t xmit_idle;
- compat_time_t recv_idle;
-};
-#define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
-
-static int ppp_gidle(struct file *file, unsigned int cmd,
- struct ppp_idle32 __user *idle32)
-{
- struct ppp_idle __user *idle;
- __kernel_time_t xmit, recv;
- int err;
-
- idle = compat_alloc_user_space(sizeof(*idle));
-
- err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
-
- if (!err) {
- if (get_user(xmit, &idle->xmit_idle) ||
- get_user(recv, &idle->recv_idle) ||
- put_user(xmit, &idle32->xmit_idle) ||
- put_user(recv, &idle32->recv_idle))
- err = -EFAULT;
- }
- return err;
-}
-
-static int ppp_scompress(struct file *file, unsigned int cmd,
- struct ppp_option_data32 __user *odata32)
-{
- struct ppp_option_data __user *odata;
- __u32 data;
- void __user *datap;
-
- odata = compat_alloc_user_space(sizeof(*odata));
-
- if (get_user(data, &odata32->ptr))
- return -EFAULT;
-
- datap = compat_ptr(data);
- if (put_user(datap, &odata->ptr))
- return -EFAULT;
-
- if (copy_in_user(&odata->length, &odata32->length,
- sizeof(__u32) + sizeof(int)))
- return -EFAULT;
-
- return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
-}
-
-#ifdef CONFIG_BLOCK
-struct mtget32 {
- compat_long_t mt_type;
- compat_long_t mt_resid;
- compat_long_t mt_dsreg;
- compat_long_t mt_gstat;
- compat_long_t mt_erreg;
- compat_daddr_t mt_fileno;
- compat_daddr_t mt_blkno;
-};
-#define MTIOCGET32 _IOR('m', 2, struct mtget32)
-
-struct mtpos32 {
- compat_long_t mt_blkno;
-};
-#define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
-
-static int mt_ioctl_trans(struct file *file,
- unsigned int cmd, void __user *argp)
-{
- /* NULL initialization to make gcc shut up */
- struct mtget __user *get = NULL;
- struct mtget32 __user *umget32;
- struct mtpos __user *pos = NULL;
- struct mtpos32 __user *upos32;
- unsigned long kcmd;
- void *karg;
- int err = 0;
-
- switch(cmd) {
- case MTIOCPOS32:
- kcmd = MTIOCPOS;
- pos = compat_alloc_user_space(sizeof(*pos));
- karg = pos;
- break;
- default: /* MTIOCGET32 */
- kcmd = MTIOCGET;
- get = compat_alloc_user_space(sizeof(*get));
- karg = get;
- break;
- }
- if (karg == NULL)
- return -EFAULT;
- err = do_ioctl(file, kcmd, (unsigned long)karg);
- if (err)
- return err;
- switch (cmd) {
- case MTIOCPOS32:
- upos32 = argp;
- err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
- break;
- case MTIOCGET32:
- umget32 = argp;
- err = convert_in_user(&get->mt_type, &umget32->mt_type);
- err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
- err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
- err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
- err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
- err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
- err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
- break;
- }
- return err ? -EFAULT: 0;
-}
-
-#endif /* CONFIG_BLOCK */
-
-/* Bluetooth ioctls */
-#define HCIUARTSETPROTO _IOW('U', 200, int)
-#define HCIUARTGETPROTO _IOR('U', 201, int)
-#define HCIUARTGETDEVICE _IOR('U', 202, int)
-#define HCIUARTSETFLAGS _IOW('U', 203, int)
-#define HCIUARTGETFLAGS _IOR('U', 204, int)
-
-#define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
-#define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
-#define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
-#define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
-
-static int rtc_ioctl(struct file *file,
- unsigned cmd, void __user *argp)
-{
- unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
- int ret;
-
- if (valp == NULL)
- return -EFAULT;
- switch (cmd) {
- case RTC_IRQP_READ32:
- case RTC_EPOCH_READ32:
- ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
- RTC_IRQP_READ : RTC_EPOCH_READ,
- (unsigned long)valp);
- if (ret)
- return ret;
- return convert_in_user(valp, (unsigned int __user *)argp);
- case RTC_IRQP_SET32:
- return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
- case RTC_EPOCH_SET32:
- return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
- }
-
- return -ENOIOCTLCMD;
-}
-
-/* on ia32 l_start is on a 32-bit boundary */
-#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
-struct space_resv_32 {
- __s16 l_type;
- __s16 l_whence;
- __s64 l_start __attribute__((packed));
- /* len == 0 means until end of file */
- __s64 l_len __attribute__((packed));
- __s32 l_sysid;
- __u32 l_pid;
- __s32 l_pad[4]; /* reserve area */
-};
-
-#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
-#define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
-
-/* just account for different alignment */
-static int compat_ioctl_preallocate(struct file *file,
- struct space_resv_32 __user *p32)
-{
- struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
-
- if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
- copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
- copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
- copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
- copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
- copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
- copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
- return -EFAULT;
-
- return ioctl_preallocate(file, p);
-}
-#endif
-
/*
* simple reversible transform to make our table more evenly
* distributed after sorting.
@@ -509,33 +59,7 @@ static int compat_ioctl_preallocate(struct file *file,
#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
#define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
-/* ioctl should not be warned about even if it's not implemented.
- Valid reasons to use this:
- - It is implemented with ->compat_ioctl on some device, but programs
- call it on others too.
- - The ioctl is not implemented in the native kernel, but programs
- call it commonly anyways.
- Most other reasons are not valid. */
-#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
-
static unsigned int ioctl_pointer[] = {
-/* compatible ioctls first */
-/* Little t */
-COMPATIBLE_IOCTL(TIOCOUTQ)
-/* Little f */
-COMPATIBLE_IOCTL(FIOCLEX)
-COMPATIBLE_IOCTL(FIONCLEX)
-COMPATIBLE_IOCTL(FIOASYNC)
-COMPATIBLE_IOCTL(FIONBIO)
-COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
-COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
-/* 0x00 */
-COMPATIBLE_IOCTL(FIBMAP)
-COMPATIBLE_IOCTL(FIGETBSZ)
-/* 'X' - originally XFS but some now in the VFS */
-COMPATIBLE_IOCTL(FIFREEZE)
-COMPATIBLE_IOCTL(FITHAW)
-COMPATIBLE_IOCTL(FITRIM)
#ifdef CONFIG_BLOCK
/* Big S */
COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
@@ -547,43 +71,10 @@ COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
#endif
-/* Big V (don't complain on serial console) */
-IGNORE_IOCTL(VT_OPENQRY)
-IGNORE_IOCTL(VT_GETMODE)
-/* Little p (/dev/rtc, /dev/envctrl, etc.) */
-COMPATIBLE_IOCTL(RTC_AIE_ON)
-COMPATIBLE_IOCTL(RTC_AIE_OFF)
-COMPATIBLE_IOCTL(RTC_UIE_ON)
-COMPATIBLE_IOCTL(RTC_UIE_OFF)
-COMPATIBLE_IOCTL(RTC_PIE_ON)
-COMPATIBLE_IOCTL(RTC_PIE_OFF)
-COMPATIBLE_IOCTL(RTC_WIE_ON)
-COMPATIBLE_IOCTL(RTC_WIE_OFF)
-COMPATIBLE_IOCTL(RTC_ALM_SET)
-COMPATIBLE_IOCTL(RTC_ALM_READ)
-COMPATIBLE_IOCTL(RTC_RD_TIME)
-COMPATIBLE_IOCTL(RTC_SET_TIME)
-COMPATIBLE_IOCTL(RTC_WKALM_SET)
-COMPATIBLE_IOCTL(RTC_WKALM_RD)
-/*
- * These two are only for the sbus rtc driver, but
- * hwclock tries them on every rtc device first when
- * running on sparc. On other architectures the entries
- * are useless but harmless.
- */
-COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
-COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
-/* Little m */
-COMPATIBLE_IOCTL(MTIOCTOP)
-/* Socket level stuff */
-COMPATIBLE_IOCTL(FIOQSIZE)
#ifdef CONFIG_BLOCK
-/* md calls this on random blockdevs */
-IGNORE_IOCTL(RAID_VERSION)
-/* qemu/qemu-img might call these two on plain files for probing */
-IGNORE_IOCTL(CDROM_DRIVE_STATUS)
-IGNORE_IOCTL(FDGETPRM32)
/* SG stuff */
+COMPATIBLE_IOCTL(SG_IO)
+COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
COMPATIBLE_IOCTL(SG_EMULATED_HOST)
@@ -607,314 +98,6 @@ COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
#endif
-/* PPP stuff */
-COMPATIBLE_IOCTL(PPPIOCGFLAGS)
-COMPATIBLE_IOCTL(PPPIOCSFLAGS)
-COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
-COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
-COMPATIBLE_IOCTL(PPPIOCGUNIT)
-COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
-COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
-COMPATIBLE_IOCTL(PPPIOCGMRU)
-COMPATIBLE_IOCTL(PPPIOCSMRU)
-COMPATIBLE_IOCTL(PPPIOCSMAXCID)
-COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
-COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
-COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
-/* PPPIOCSCOMPRESS is translated */
-COMPATIBLE_IOCTL(PPPIOCGNPMODE)
-COMPATIBLE_IOCTL(PPPIOCSNPMODE)
-COMPATIBLE_IOCTL(PPPIOCGDEBUG)
-COMPATIBLE_IOCTL(PPPIOCSDEBUG)
-/* PPPIOCSPASS is translated */
-/* PPPIOCSACTIVE is translated */
-/* PPPIOCGIDLE is translated */
-COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
-COMPATIBLE_IOCTL(PPPIOCATTACH)
-COMPATIBLE_IOCTL(PPPIOCDETACH)
-COMPATIBLE_IOCTL(PPPIOCSMRRU)
-COMPATIBLE_IOCTL(PPPIOCCONNECT)
-COMPATIBLE_IOCTL(PPPIOCDISCONN)
-COMPATIBLE_IOCTL(PPPIOCATTCHAN)
-COMPATIBLE_IOCTL(PPPIOCGCHAN)
-COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
-/* Big A */
-/* sparc only */
-/* Big Q for sound/OSS */
-COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
-COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
-COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
-COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
-COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
-COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
-COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
-COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
-COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
-COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
-/* Big T for sound/OSS */
-COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
-COMPATIBLE_IOCTL(SNDCTL_TMR_START)
-COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
-COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
-COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
-COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
-COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
-COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
-/* Little m for sound/OSS */
-COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
-COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
-COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
-/* Big P for sound/OSS */
-COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
-COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
-COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
-COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
-COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
-COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
-COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
-COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
-COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
-COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
-COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
-COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
-COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
-COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
-COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
-COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
-COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
-COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
-COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
-COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
-/* SNDCTL_DSP_MAPINBUF, XXX needs translation */
-/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
-COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
-COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
-COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
-COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
-COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
-COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
-COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
-COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
-/* Big C for sound/OSS */
-COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
-COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
-COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
-COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
-COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
-COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
-COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
-COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
-COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
-COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
-/* Big M for sound/OSS */
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
-COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
-COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
-COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
-COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
-COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
-COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
-COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
-COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
-/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
-/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
-COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
-COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
-COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
-COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
-COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
-COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
-COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
-COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
-COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
-/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
-/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
-COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
-COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
-COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
-COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
-COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
-COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
-COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
-COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
-COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
-COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
-COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
-COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
-COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
-COMPATIBLE_IOCTL(OSS_GETVERSION)
-/* Raw devices */
-COMPATIBLE_IOCTL(RAW_SETBIND)
-COMPATIBLE_IOCTL(RAW_GETBIND)
-/* Watchdog */
-COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
-COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
-COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
-COMPATIBLE_IOCTL(WDIOC_GETTEMP)
-COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
-COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
-COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
-COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
-COMPATIBLE_IOCTL(WDIOC_SETPRETIMEOUT)
-COMPATIBLE_IOCTL(WDIOC_GETPRETIMEOUT)
-/* Big R */
-COMPATIBLE_IOCTL(RNDGETENTCNT)
-COMPATIBLE_IOCTL(RNDADDTOENTCNT)
-COMPATIBLE_IOCTL(RNDGETPOOL)
-COMPATIBLE_IOCTL(RNDADDENTROPY)
-COMPATIBLE_IOCTL(RNDZAPENTCNT)
-COMPATIBLE_IOCTL(RNDCLEARPOOL)
-/* Bluetooth */
-COMPATIBLE_IOCTL(HCIDEVUP)
-COMPATIBLE_IOCTL(HCIDEVDOWN)
-COMPATIBLE_IOCTL(HCIDEVRESET)
-COMPATIBLE_IOCTL(HCIDEVRESTAT)
-COMPATIBLE_IOCTL(HCIGETDEVLIST)
-COMPATIBLE_IOCTL(HCIGETDEVINFO)
-COMPATIBLE_IOCTL(HCIGETCONNLIST)
-COMPATIBLE_IOCTL(HCIGETCONNINFO)
-COMPATIBLE_IOCTL(HCIGETAUTHINFO)
-COMPATIBLE_IOCTL(HCISETRAW)
-COMPATIBLE_IOCTL(HCISETSCAN)
-COMPATIBLE_IOCTL(HCISETAUTH)
-COMPATIBLE_IOCTL(HCISETENCRYPT)
-COMPATIBLE_IOCTL(HCISETPTYPE)
-COMPATIBLE_IOCTL(HCISETLINKPOL)
-COMPATIBLE_IOCTL(HCISETLINKMODE)
-COMPATIBLE_IOCTL(HCISETACLMTU)
-COMPATIBLE_IOCTL(HCISETSCOMTU)
-COMPATIBLE_IOCTL(HCIBLOCKADDR)
-COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
-COMPATIBLE_IOCTL(HCIINQUIRY)
-COMPATIBLE_IOCTL(HCIUARTSETPROTO)
-COMPATIBLE_IOCTL(HCIUARTGETPROTO)
-COMPATIBLE_IOCTL(HCIUARTGETDEVICE)
-COMPATIBLE_IOCTL(HCIUARTSETFLAGS)
-COMPATIBLE_IOCTL(HCIUARTGETFLAGS)
-COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
-COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
-COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
-COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
-COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
-/* CAPI */
-COMPATIBLE_IOCTL(CAPI_REGISTER)
-COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
-COMPATIBLE_IOCTL(CAPI_GET_VERSION)
-COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
-COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
-COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
-COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
-COMPATIBLE_IOCTL(CAPI_INSTALLED)
-COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
-COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
-COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
-COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
-COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
-/* Misc. */
-COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
-COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
-COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
-COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
-COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
-COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
-/* hiddev */
-COMPATIBLE_IOCTL(HIDIOCGVERSION)
-COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
-COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
-COMPATIBLE_IOCTL(HIDIOCGSTRING)
-COMPATIBLE_IOCTL(HIDIOCINITREPORT)
-COMPATIBLE_IOCTL(HIDIOCGREPORT)
-COMPATIBLE_IOCTL(HIDIOCSREPORT)
-COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
-COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
-COMPATIBLE_IOCTL(HIDIOCGUSAGE)
-COMPATIBLE_IOCTL(HIDIOCSUSAGE)
-COMPATIBLE_IOCTL(HIDIOCGUCODE)
-COMPATIBLE_IOCTL(HIDIOCGFLAG)
-COMPATIBLE_IOCTL(HIDIOCSFLAG)
-COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
-COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
-/* joystick */
-COMPATIBLE_IOCTL(JSIOCGVERSION)
-COMPATIBLE_IOCTL(JSIOCGAXES)
-COMPATIBLE_IOCTL(JSIOCGBUTTONS)
-COMPATIBLE_IOCTL(JSIOCGNAME(0))
-
-/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
- but we don't want warnings on other file systems. So declare
- them as compatible here. */
-#define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
-#define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
-
-IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
-IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
-
-#ifdef CONFIG_SPARC
-/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
-IGNORE_IOCTL(FBIOGTYPE)
-IGNORE_IOCTL(FBIOSATTR)
-IGNORE_IOCTL(FBIOGATTR)
-IGNORE_IOCTL(FBIOSVIDEO)
-IGNORE_IOCTL(FBIOGVIDEO)
-IGNORE_IOCTL(FBIOSCURPOS)
-IGNORE_IOCTL(FBIOGCURPOS)
-IGNORE_IOCTL(FBIOGCURMAX)
-IGNORE_IOCTL(FBIOPUTCMAP32)
-IGNORE_IOCTL(FBIOGETCMAP32)
-IGNORE_IOCTL(FBIOSCURSOR32)
-IGNORE_IOCTL(FBIOGCURSOR32)
-#endif
};
/*
@@ -927,51 +110,12 @@ IGNORE_IOCTL(FBIOGCURSOR32)
static long do_ioctl_trans(unsigned int cmd,
unsigned long arg, struct file *file)
{
- void __user *argp = compat_ptr(arg);
-
- switch (cmd) {
- case PPPIOCGIDLE32:
- return ppp_gidle(file, cmd, argp);
- case PPPIOCSCOMPRESS32:
- return ppp_scompress(file, cmd, argp);
- case PPPIOCSPASS32:
- case PPPIOCSACTIVE32:
- return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
-#ifdef CONFIG_BLOCK
- case SG_IO:
- return sg_ioctl_trans(file, cmd, argp);
- case SG_GET_REQUEST_TABLE:
- return sg_grt_trans(file, cmd, argp);
- case MTIOCGET32:
- case MTIOCPOS32:
- return mt_ioctl_trans(file, cmd, argp);
-#endif
- /* Not implemented in the native kernel */
- case RTC_IRQP_READ32:
- case RTC_IRQP_SET32:
- case RTC_EPOCH_READ32:
- case RTC_EPOCH_SET32:
- return rtc_ioctl(file, cmd, argp);
- }
-
- /*
- * These take an integer instead of a pointer as 'arg',
- * so we must not do a compat_ptr() translation.
- */
- switch (cmd) {
- /* RAID */
- case HOT_REMOVE_DISK:
- case HOT_ADD_DISK:
- case SET_DISK_FAULTY:
- case SET_BITMAP_FILE:
- return vfs_ioctl(file, cmd, arg);
- }
-
return -ENOIOCTLCMD;
}
static int compat_ioctl_check_table(unsigned int xcmd)
{
+#ifdef CONFIG_BLOCK
int i;
const int max = ARRAY_SIZE(ioctl_pointer) - 1;
@@ -990,6 +134,9 @@ static int compat_ioctl_check_table(unsigned int xcmd)
i--;
return ioctl_pointer[i] == xcmd;
+#else
+ return 0;
+#endif
}
COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
@@ -1006,20 +153,40 @@ COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
if (error)
goto out_fput;
- /*
- * To allow the compat_ioctl handlers to be self contained
- * we need to check the common ioctls here first.
- * Just handle them with the standard handlers below.
- */
switch (cmd) {
+ /* these are never seen by ->ioctl(), no argument or int argument */
case FIOCLEX:
case FIONCLEX:
+ case FIFREEZE:
+ case FITHAW:
+ case FICLONE:
+ goto do_ioctl;
+ /* these are never seen by ->ioctl(), pointer argument */
case FIONBIO:
case FIOASYNC:
case FIOQSIZE:
- break;
-
-#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
+ case FS_IOC_FIEMAP:
+ case FIGETBSZ:
+ case FICLONERANGE:
+ case FIDEDUPERANGE:
+ goto found_handler;
+ /*
+ * The next group is the stuff handled inside file_ioctl().
+ * For regular files these never reach ->ioctl(); for
+ * devices, sockets, etc. they do and one (FIONREAD) is
+ * even accepted in some cases. In all those cases
+ * argument has the same type, so we can handle these
+ * here, shunting them towards do_vfs_ioctl().
+ * ->compat_ioctl() will never see any of those.
+ */
+ /* pointer argument, never actually handled by ->ioctl() */
+ case FIBMAP:
+ goto found_handler;
+ /* handled by some ->ioctl(); always a pointer to int */
+ case FIONREAD:
+ goto found_handler;
+ /* these two get messy on amd64 due to alignment differences */
+#if defined(CONFIG_X86_64)
case FS_IOC_RESVSP_32:
case FS_IOC_RESVSP64_32:
error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
@@ -1027,23 +194,9 @@ COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
#else
case FS_IOC_RESVSP:
case FS_IOC_RESVSP64:
- error = ioctl_preallocate(f.file, compat_ptr(arg));
- goto out_fput;
+ goto found_handler;
#endif
- case FICLONE:
- case FICLONERANGE:
- case FIDEDUPERANGE:
- case FS_IOC_FIEMAP:
- goto do_ioctl;
-
- case FIBMAP:
- case FIGETBSZ:
- case FIONREAD:
- if (S_ISREG(file_inode(f.file)->i_mode))
- break;
- /*FALL THROUGH*/
-
default:
if (f.file->f_op->compat_ioctl) {
error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index feecb57defa7..5fb45d865ce5 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -378,6 +378,7 @@ ecryptfs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return rc;
switch (cmd) {
+ case FITRIM:
case FS_IOC32_GETFLAGS:
case FS_IOC32_SETFLAGS:
case FS_IOC32_GETVERSION:
diff --git a/fs/exec.c b/fs/exec.c
index c27231234764..a504ed68621d 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -59,7 +59,6 @@
#include <linux/kmod.h>
#include <linux/fsnotify.h>
#include <linux/fs_struct.h>
-#include <linux/pipe_fs_i.h>
#include <linux/oom.h>
#include <linux/compat.h>
#include <linux/vmalloc.h>
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 0b7f316fd30f..e8870fff8224 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -1360,6 +1360,7 @@ long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
case EXT4_IOC_MOVE_EXT:
case EXT4_IOC_RESIZE_FS:
+ case FITRIM:
case EXT4_IOC_PRECACHE_EXTENTS:
case EXT4_IOC_SET_ENCRYPTION_POLICY:
case EXT4_IOC_GET_ENCRYPTION_PWSALT:
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 5b8b60e4d9b8..85af112e868d 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3439,6 +3439,7 @@ long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case F2FS_IOC_RELEASE_VOLATILE_WRITE:
case F2FS_IOC_ABORT_VOLATILE_WRITE:
case F2FS_IOC_SHUTDOWN:
+ case FITRIM:
case F2FS_IOC_SET_ENCRYPTION_POLICY:
case F2FS_IOC_GET_ENCRYPTION_PWSALT:
case F2FS_IOC_GET_ENCRYPTION_POLICY:
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 4614c0ba5f1c..bdc4503c00a3 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -172,15 +172,6 @@ long fat_generic_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
}
}
-#ifdef CONFIG_COMPAT
-static long fat_generic_compat_ioctl(struct file *filp, unsigned int cmd,
- unsigned long arg)
-
-{
- return fat_generic_ioctl(filp, cmd, (unsigned long)compat_ptr(arg));
-}
-#endif
-
static int fat_file_release(struct inode *inode, struct file *filp)
{
if ((filp->f_mode & FMODE_WRITE) &&
@@ -215,9 +206,7 @@ const struct file_operations fat_file_operations = {
.mmap = generic_file_mmap,
.release = fat_file_release,
.unlocked_ioctl = fat_generic_ioctl,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = fat_generic_compat_ioctl,
-#endif
+ .compat_ioctl = compat_ptr_ioctl,
.fsync = fat_file_fsync,
.splice_read = generic_file_splice_read,
.splice_write = iter_file_splice_write,
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index ed1abc9e33cf..d4e6691d2d92 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -705,7 +705,7 @@ static int fuse_copy_fill(struct fuse_copy_state *cs)
cs->pipebufs++;
cs->nr_segs--;
} else {
- if (cs->nr_segs == cs->pipe->buffers)
+ if (cs->nr_segs >= cs->pipe->max_usage)
return -EIO;
page = alloc_page(GFP_HIGHUSER);
@@ -881,7 +881,7 @@ static int fuse_ref_page(struct fuse_copy_state *cs, struct page *page,
struct pipe_buffer *buf;
int err;
- if (cs->nr_segs == cs->pipe->buffers)
+ if (cs->nr_segs >= cs->pipe->max_usage)
return -EIO;
err = unlock_request(cs->req);
@@ -1343,7 +1343,7 @@ static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos,
if (!fud)
return -EPERM;
- bufs = kvmalloc_array(pipe->buffers, sizeof(struct pipe_buffer),
+ bufs = kvmalloc_array(pipe->max_usage, sizeof(struct pipe_buffer),
GFP_KERNEL);
if (!bufs)
return -ENOMEM;
@@ -1355,7 +1355,7 @@ static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos,
if (ret < 0)
goto out;
- if (pipe->nrbufs + cs.nr_segs > pipe->buffers) {
+ if (pipe_occupancy(pipe->head, pipe->tail) + cs.nr_segs > pipe->max_usage) {
ret = -EIO;
goto out;
}
@@ -1937,6 +1937,7 @@ static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe,
struct file *out, loff_t *ppos,
size_t len, unsigned int flags)
{
+ unsigned int head, tail, mask, count;
unsigned nbuf;
unsigned idx;
struct pipe_buffer *bufs;
@@ -1951,8 +1952,12 @@ static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe,
pipe_lock(pipe);
- bufs = kvmalloc_array(pipe->nrbufs, sizeof(struct pipe_buffer),
- GFP_KERNEL);
+ head = pipe->head;
+ tail = pipe->tail;
+ mask = pipe->ring_size - 1;
+ count = head - tail;
+
+ bufs = kvmalloc_array(count, sizeof(struct pipe_buffer), GFP_KERNEL);
if (!bufs) {
pipe_unlock(pipe);
return -ENOMEM;
@@ -1960,8 +1965,8 @@ static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe,
nbuf = 0;
rem = 0;
- for (idx = 0; idx < pipe->nrbufs && rem < len; idx++)
- rem += pipe->bufs[(pipe->curbuf + idx) & (pipe->buffers - 1)].len;
+ for (idx = tail; idx < head && rem < len; idx++)
+ rem += pipe->bufs[idx & mask].len;
ret = -EINVAL;
if (rem < len)
@@ -1972,16 +1977,16 @@ static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe,
struct pipe_buffer *ibuf;
struct pipe_buffer *obuf;
- BUG_ON(nbuf >= pipe->buffers);
- BUG_ON(!pipe->nrbufs);
- ibuf = &pipe->bufs[pipe->curbuf];
+ BUG_ON(nbuf >= pipe->ring_size);
+ BUG_ON(tail == head);
+ ibuf = &pipe->bufs[tail & mask];
obuf = &bufs[nbuf];
if (rem >= ibuf->len) {
*obuf = *ibuf;
ibuf->ops = NULL;
- pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1);
- pipe->nrbufs--;
+ tail++;
+ pipe->tail = tail;
} else {
if (!pipe_buf_get(pipe, ibuf))
goto out_free;
@@ -2262,7 +2267,7 @@ const struct file_operations fuse_dev_operations = {
.release = fuse_dev_release,
.fasync = fuse_dev_fasync,
.unlocked_ioctl = fuse_dev_ioctl,
- .compat_ioctl = fuse_dev_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
};
EXPORT_SYMBOL_GPL(fuse_dev_operations);
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index f0caee2b7c00..d07a295f9cac 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -6,6 +6,7 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
+#include <linux/compat.h>
#include <linux/completion.h>
#include <linux/buffer_head.h>
#include <linux/pagemap.h>
@@ -354,6 +355,31 @@ static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return -ENOTTY;
}
+#ifdef CONFIG_COMPAT
+static long gfs2_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+ switch(cmd) {
+ /* These are just misnamed, they actually get/put from/to user an int */
+ case FS_IOC32_GETFLAGS:
+ cmd = FS_IOC_GETFLAGS;
+ break;
+ case FS_IOC32_SETFLAGS:
+ cmd = FS_IOC_SETFLAGS;
+ break;
+ /* Keep this list in sync with gfs2_ioctl */
+ case FITRIM:
+ case FS_IOC_GETFSLABEL:
+ break;
+ default:
+ return -ENOIOCTLCMD;
+ }
+
+ return gfs2_ioctl(filp, cmd, (unsigned long)compat_ptr(arg));
+}
+#else
+#define gfs2_compat_ioctl NULL
+#endif
+
/**
* gfs2_size_hint - Give a hint to the size of a write request
* @filep: The struct file
@@ -1295,6 +1321,7 @@ const struct file_operations gfs2_file_fops = {
.write_iter = gfs2_file_write_iter,
.iopoll = iomap_dio_iopoll,
.unlocked_ioctl = gfs2_ioctl,
+ .compat_ioctl = gfs2_compat_ioctl,
.mmap = gfs2_mmap,
.open = gfs2_open,
.release = gfs2_release,
@@ -1310,6 +1337,7 @@ const struct file_operations gfs2_file_fops = {
const struct file_operations gfs2_dir_fops = {
.iterate_shared = gfs2_readdir,
.unlocked_ioctl = gfs2_ioctl,
+ .compat_ioctl = gfs2_compat_ioctl,
.open = gfs2_open,
.release = gfs2_release,
.fsync = gfs2_fsync,
@@ -1326,6 +1354,7 @@ const struct file_operations gfs2_file_fops_nolock = {
.write_iter = gfs2_file_write_iter,
.iopoll = iomap_dio_iopoll,
.unlocked_ioctl = gfs2_ioctl,
+ .compat_ioctl = gfs2_compat_ioctl,
.mmap = gfs2_mmap,
.open = gfs2_open,
.release = gfs2_release,
@@ -1339,6 +1368,7 @@ const struct file_operations gfs2_file_fops_nolock = {
const struct file_operations gfs2_dir_fops_nolock = {
.iterate_shared = gfs2_readdir,
.unlocked_ioctl = gfs2_ioctl,
+ .compat_ioctl = gfs2_compat_ioctl,
.open = gfs2_open,
.release = gfs2_release,
.fsync = gfs2_fsync,
diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c
index d85230c84ef2..f32f15669996 100644
--- a/fs/hpfs/dir.c
+++ b/fs/hpfs/dir.c
@@ -325,4 +325,5 @@ const struct file_operations hpfs_dir_ops =
.release = hpfs_dir_release,
.fsync = hpfs_file_fsync,
.unlocked_ioctl = hpfs_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
};
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index 1ecec124e76f..b36abf9cb345 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -215,6 +215,7 @@ const struct file_operations hpfs_file_ops =
.fsync = hpfs_file_fsync,
.splice_read = generic_file_splice_read,
.unlocked_ioctl = hpfs_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
};
const struct inode_operations hpfs_file_iops =
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 2c2e8c25da01..ec53aa7cdc94 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -69,6 +69,7 @@
#include <linux/nospec.h>
#include <linux/sizes.h>
#include <linux/hugetlb.h>
+#include <linux/highmem.h>
#define CREATE_TRACE_POINTS
#include <trace/events/io_uring.h>
@@ -4469,12 +4470,11 @@ static int io_uring_flush(struct file *file, void *data)
return 0;
}
-static int io_uring_mmap(struct file *file, struct vm_area_struct *vma)
+static void *io_uring_validate_mmap_request(struct file *file,
+ loff_t pgoff, size_t sz)
{
- loff_t offset = (loff_t) vma->vm_pgoff << PAGE_SHIFT;
- unsigned long sz = vma->vm_end - vma->vm_start;
struct io_ring_ctx *ctx = file->private_data;
- unsigned long pfn;
+ loff_t offset = pgoff << PAGE_SHIFT;
struct page *page;
void *ptr;
@@ -4487,17 +4487,59 @@ static int io_uring_mmap(struct file *file, struct vm_area_struct *vma)
ptr = ctx->sq_sqes;
break;
default:
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
}
page = virt_to_head_page(ptr);
if (sz > page_size(page))
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
+
+ return ptr;
+}
+
+#ifdef CONFIG_MMU
+
+static int io_uring_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ size_t sz = vma->vm_end - vma->vm_start;
+ unsigned long pfn;
+ void *ptr;
+
+ ptr = io_uring_validate_mmap_request(file, vma->vm_pgoff, sz);
+ if (IS_ERR(ptr))
+ return PTR_ERR(ptr);
pfn = virt_to_phys(ptr) >> PAGE_SHIFT;
return remap_pfn_range(vma, vma->vm_start, pfn, sz, vma->vm_page_prot);
}
+#else /* !CONFIG_MMU */
+
+static int io_uring_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ return vma->vm_flags & (VM_SHARED | VM_MAYSHARE) ? 0 : -EINVAL;
+}
+
+static unsigned int io_uring_nommu_mmap_capabilities(struct file *file)
+{
+ return NOMMU_MAP_DIRECT | NOMMU_MAP_READ | NOMMU_MAP_WRITE;
+}
+
+static unsigned long io_uring_nommu_get_unmapped_area(struct file *file,
+ unsigned long addr, unsigned long len,
+ unsigned long pgoff, unsigned long flags)
+{
+ void *ptr;
+
+ ptr = io_uring_validate_mmap_request(file, pgoff, len);
+ if (IS_ERR(ptr))
+ return PTR_ERR(ptr);
+
+ return (unsigned long) ptr;
+}
+
+#endif /* !CONFIG_MMU */
+
SYSCALL_DEFINE6(io_uring_enter, unsigned int, fd, u32, to_submit,
u32, min_complete, u32, flags, const sigset_t __user *, sig,
size_t, sigsz)
@@ -4568,6 +4610,10 @@ static const struct file_operations io_uring_fops = {
.release = io_uring_release,
.flush = io_uring_flush,
.mmap = io_uring_mmap,
+#ifndef CONFIG_MMU
+ .get_unmapped_area = io_uring_nommu_get_unmapped_area,
+ .mmap_capabilities = io_uring_nommu_mmap_capabilities,
+#endif
.poll = io_uring_poll,
.fasync = io_uring_fasync,
};
diff --git a/fs/ioctl.c b/fs/ioctl.c
index fef3a6bf7c78..812061ba667a 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -8,6 +8,7 @@
#include <linux/syscalls.h>
#include <linux/mm.h>
#include <linux/capability.h>
+#include <linux/compat.h>
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/security.h>
@@ -174,10 +175,9 @@ static int fiemap_check_ranges(struct super_block *sb,
return 0;
}
-static int ioctl_fiemap(struct file *filp, unsigned long arg)
+static int ioctl_fiemap(struct file *filp, struct fiemap __user *ufiemap)
{
struct fiemap fiemap;
- struct fiemap __user *ufiemap = (struct fiemap __user *) arg;
struct fiemap_extent_info fieinfo = { 0, };
struct inode *inode = file_inode(filp);
struct super_block *sb = inode->i_sb;
@@ -244,7 +244,8 @@ fdput:
return ret;
}
-static long ioctl_file_clone_range(struct file *file, void __user *argp)
+static long ioctl_file_clone_range(struct file *file,
+ struct file_clone_range __user *argp)
{
struct file_clone_range args;
@@ -490,6 +491,35 @@ int ioctl_preallocate(struct file *filp, void __user *argp)
return vfs_fallocate(filp, FALLOC_FL_KEEP_SIZE, sr.l_start, sr.l_len);
}
+/* on ia32 l_start is on a 32-bit boundary */
+#if defined CONFIG_COMPAT && defined(CONFIG_X86_64)
+/* just account for different alignment */
+int compat_ioctl_preallocate(struct file *file,
+ struct space_resv_32 __user *argp)
+{
+ struct inode *inode = file_inode(file);
+ struct space_resv_32 sr;
+
+ if (copy_from_user(&sr, argp, sizeof(sr)))
+ return -EFAULT;
+
+ switch (sr.l_whence) {
+ case SEEK_SET:
+ break;
+ case SEEK_CUR:
+ sr.l_start += file->f_pos;
+ break;
+ case SEEK_END:
+ sr.l_start += i_size_read(inode);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return vfs_fallocate(file, FALLOC_FL_KEEP_SIZE, sr.l_start, sr.l_len);
+}
+#endif
+
static int file_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
{
@@ -584,9 +614,9 @@ static int ioctl_fsthaw(struct file *filp)
return thaw_super(sb);
}
-static int ioctl_file_dedupe_range(struct file *file, void __user *arg)
+static int ioctl_file_dedupe_range(struct file *file,
+ struct file_dedupe_range __user *argp)
{
- struct file_dedupe_range __user *argp = arg;
struct file_dedupe_range *same = NULL;
int ret;
unsigned long size;
@@ -635,7 +665,7 @@ int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
unsigned long arg)
{
int error = 0;
- int __user *argp = (int __user *)arg;
+ void __user *argp = (void __user *)arg;
struct inode *inode = file_inode(filp);
switch (cmd) {
@@ -674,13 +704,13 @@ int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
break;
case FS_IOC_FIEMAP:
- return ioctl_fiemap(filp, arg);
+ return ioctl_fiemap(filp, argp);
case FIGETBSZ:
/* anon_bdev filesystems may not have a block size */
if (!inode->i_sb->s_blocksize)
return -EINVAL;
- return put_user(inode->i_sb->s_blocksize, argp);
+ return put_user(inode->i_sb->s_blocksize, (int __user *)argp);
case FICLONE:
return ioctl_file_clone(filp, arg, 0, 0, 0);
@@ -719,3 +749,37 @@ SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, unsigned long, arg)
{
return ksys_ioctl(fd, cmd, arg);
}
+
+#ifdef CONFIG_COMPAT
+/**
+ * compat_ptr_ioctl - generic implementation of .compat_ioctl file operation
+ *
+ * This is not normally called as a function, but instead set in struct
+ * file_operations as
+ *
+ * .compat_ioctl = compat_ptr_ioctl,
+ *
+ * On most architectures, the compat_ptr_ioctl() just passes all arguments
+ * to the corresponding ->ioctl handler. The exception is arch/s390, where
+ * compat_ptr() clears the top bit of a 32-bit pointer value, so user space
+ * pointers to the second 2GB alias the first 2GB, as is the case for
+ * native 32-bit s390 user space.
+ *
+ * The compat_ptr_ioctl() function must therefore be used only with ioctl
+ * functions that either ignore the argument or pass a pointer to a
+ * compatible data type.
+ *
+ * If any ioctl command handled by fops->unlocked_ioctl passes a plain
+ * integer instead of a pointer, or any of the passed data types
+ * is incompatible between 32-bit and 64-bit architectures, a proper
+ * handler is required instead of compat_ptr_ioctl.
+ */
+long compat_ptr_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ if (!file->f_op->unlocked_ioctl)
+ return -ENOIOCTLCMD;
+
+ return file->f_op->unlocked_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
+}
+EXPORT_SYMBOL(compat_ptr_ioctl);
+#endif
diff --git a/fs/namei.c b/fs/namei.c
index 671c3c1a3425..2dda552bcf7a 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -925,7 +925,7 @@ static inline int may_follow_link(struct nameidata *nd)
return -ECHILD;
audit_inode(nd->name, nd->stack[0].link.dentry, 0);
- audit_log_link_denied("follow_link");
+ audit_log_path_denied(AUDIT_ANOM_LINK, "follow_link");
return -EACCES;
}
@@ -993,7 +993,7 @@ static int may_linkat(struct path *link)
if (safe_hardlink_source(inode) || inode_owner_or_capable(inode))
return 0;
- audit_log_link_denied("linkat");
+ audit_log_path_denied(AUDIT_ANOM_LINK, "linkat");
return -EPERM;
}
@@ -1031,6 +1031,10 @@ static int may_create_in_sticky(struct dentry * const dir,
(dir->d_inode->i_mode & 0020 &&
((sysctl_protected_fifos >= 2 && S_ISFIFO(inode->i_mode)) ||
(sysctl_protected_regular >= 2 && S_ISREG(inode->i_mode))))) {
+ const char *operation = S_ISFIFO(inode->i_mode) ?
+ "sticky_create_fifo" :
+ "sticky_create_regular";
+ audit_log_path_denied(AUDIT_ANOM_CREAT, operation);
return -EACCES;
}
return 0;
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 91b9dac6b2cc..4ba73dbf3e8d 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -1354,6 +1354,7 @@ long nilfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
case NILFS_IOCTL_SYNC:
case NILFS_IOCTL_RESIZE:
case NILFS_IOCTL_SET_ALLOC_RANGE:
+ case FITRIM:
break;
default:
return -ENOIOCTLCMD;
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 8508ab575017..0aa362b88550 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -523,7 +523,7 @@ static const struct file_operations fanotify_fops = {
.fasync = NULL,
.release = fanotify_release,
.unlocked_ioctl = fanotify_ioctl,
- .compat_ioctl = fanotify_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.llseek = noop_llseek,
};
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 9cd0a6815933..3a67a6518ddf 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -11,7 +11,6 @@
#include <linux/pagemap.h>
#include <asm/byteorder.h>
#include <linux/swap.h>
-#include <linux/pipe_fs_i.h>
#include <linux/mpage.h>
#include <linux/quotaops.h>
#include <linux/blkdev.h>
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index efeea208fdeb..89984172fc4a 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -985,6 +985,7 @@ long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg)
return -EFAULT;
return ocfs2_info_handle(inode, &info, 1);
+ case FITRIM:
case OCFS2_IOC_MOVE_EXT:
break;
default:
diff --git a/fs/pipe.c b/fs/pipe.c
index a9149199e0e7..648ce440ca85 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -43,10 +43,12 @@ unsigned long pipe_user_pages_hard;
unsigned long pipe_user_pages_soft = PIPE_DEF_BUFFERS * INR_OPEN_CUR;
/*
- * We use a start+len construction, which provides full use of the
- * allocated memory.
- * -- Florian Coosmann (FGC)
- *
+ * We use head and tail indices that aren't masked off, except at the point of
+ * dereference, but rather they're allowed to wrap naturally. This means there
+ * isn't a dead spot in the buffer, but the ring has to be a power of two and
+ * <= 2^31.
+ * -- David Howells 2019-09-23.
+ *
* Reads with count = 0 should always return 0.
* -- Julian Bradfield 1999-06-07.
*
@@ -285,10 +287,12 @@ pipe_read(struct kiocb *iocb, struct iov_iter *to)
ret = 0;
__pipe_lock(pipe);
for (;;) {
- int bufs = pipe->nrbufs;
- if (bufs) {
- int curbuf = pipe->curbuf;
- struct pipe_buffer *buf = pipe->bufs + curbuf;
+ unsigned int head = pipe->head;
+ unsigned int tail = pipe->tail;
+ unsigned int mask = pipe->ring_size - 1;
+
+ if (!pipe_empty(head, tail)) {
+ struct pipe_buffer *buf = &pipe->bufs[tail & mask];
size_t chars = buf->len;
size_t written;
int error;
@@ -320,18 +324,27 @@ pipe_read(struct kiocb *iocb, struct iov_iter *to)
}
if (!buf->len) {
+ bool wake;
pipe_buf_release(pipe, buf);
- curbuf = (curbuf + 1) & (pipe->buffers - 1);
- pipe->curbuf = curbuf;
- pipe->nrbufs = --bufs;
+ spin_lock_irq(&pipe->wait.lock);
+ tail++;
+ pipe->tail = tail;
do_wakeup = 1;
+ wake = head - (tail - 1) == pipe->max_usage / 2;
+ if (wake)
+ wake_up_locked_poll(
+ &pipe->wait, EPOLLOUT | EPOLLWRNORM);
+ spin_unlock_irq(&pipe->wait.lock);
+ if (wake)
+ kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT);
}
total_len -= chars;
if (!total_len)
break; /* common path: read succeeded */
+ if (!pipe_empty(head, tail)) /* More to do? */
+ continue;
}
- if (bufs) /* More to do? */
- continue;
+
if (!pipe->writers)
break;
if (!pipe->waiting_writers) {
@@ -352,17 +365,13 @@ pipe_read(struct kiocb *iocb, struct iov_iter *to)
ret = -ERESTARTSYS;
break;
}
- if (do_wakeup) {
- wake_up_interruptible_sync_poll(&pipe->wait, EPOLLOUT | EPOLLWRNORM);
- kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT);
- }
pipe_wait(pipe);
}
__pipe_unlock(pipe);
/* Signal writers asynchronously that there is more room. */
if (do_wakeup) {
- wake_up_interruptible_sync_poll(&pipe->wait, EPOLLOUT | EPOLLWRNORM);
+ wake_up_interruptible_poll(&pipe->wait, EPOLLOUT | EPOLLWRNORM);
kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT);
}
if (ret > 0)
@@ -380,6 +389,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
{
struct file *filp = iocb->ki_filp;
struct pipe_inode_info *pipe = filp->private_data;
+ unsigned int head, max_usage, mask;
ssize_t ret = 0;
int do_wakeup = 0;
size_t total_len = iov_iter_count(from);
@@ -397,12 +407,14 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
goto out;
}
+ head = pipe->head;
+ max_usage = pipe->max_usage;
+ mask = pipe->ring_size - 1;
+
/* We try to merge small writes */
chars = total_len & (PAGE_SIZE-1); /* size of the last buffer */
- if (pipe->nrbufs && chars != 0) {
- int lastbuf = (pipe->curbuf + pipe->nrbufs - 1) &
- (pipe->buffers - 1);
- struct pipe_buffer *buf = pipe->bufs + lastbuf;
+ if (!pipe_empty(head, pipe->tail) && chars != 0) {
+ struct pipe_buffer *buf = &pipe->bufs[(head - 1) & mask];
int offset = buf->offset + buf->len;
if (pipe_buf_can_merge(buf) && offset + chars <= PAGE_SIZE) {
@@ -423,18 +435,16 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
}
for (;;) {
- int bufs;
-
if (!pipe->readers) {
send_sig(SIGPIPE, current, 0);
if (!ret)
ret = -EPIPE;
break;
}
- bufs = pipe->nrbufs;
- if (bufs < pipe->buffers) {
- int newbuf = (pipe->curbuf + bufs) & (pipe->buffers-1);
- struct pipe_buffer *buf = pipe->bufs + newbuf;
+
+ head = pipe->head;
+ if (!pipe_full(head, pipe->tail, max_usage)) {
+ struct pipe_buffer *buf = &pipe->bufs[head & mask];
struct page *page = pipe->tmp_page;
int copied;
@@ -446,38 +456,64 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
}
pipe->tmp_page = page;
}
+
+ /* Allocate a slot in the ring in advance and attach an
+ * empty buffer. If we fault or otherwise fail to use
+ * it, either the reader will consume it or it'll still
+ * be there for the next write.
+ */
+ spin_lock_irq(&pipe->wait.lock);
+
+ head = pipe->head;
+ if (pipe_full(head, pipe->tail, max_usage)) {
+ spin_unlock_irq(&pipe->wait.lock);
+ continue;
+ }
+
+ pipe->head = head + 1;
+
/* Always wake up, even if the copy fails. Otherwise
* we lock up (O_NONBLOCK-)readers that sleep due to
* syscall merging.
* FIXME! Is this really true?
*/
- do_wakeup = 1;
- copied = copy_page_from_iter(page, 0, PAGE_SIZE, from);
- if (unlikely(copied < PAGE_SIZE && iov_iter_count(from))) {
- if (!ret)
- ret = -EFAULT;
- break;
- }
- ret += copied;
+ wake_up_locked_poll(
+ &pipe->wait, EPOLLIN | EPOLLRDNORM);
+
+ spin_unlock_irq(&pipe->wait.lock);
+ kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
/* Insert it into the buffer array */
+ buf = &pipe->bufs[head & mask];
buf->page = page;
buf->ops = &anon_pipe_buf_ops;
buf->offset = 0;
- buf->len = copied;
+ buf->len = 0;
buf->flags = 0;
if (is_packetized(filp)) {
buf->ops = &packet_pipe_buf_ops;
buf->flags = PIPE_BUF_FLAG_PACKET;
}
- pipe->nrbufs = ++bufs;
pipe->tmp_page = NULL;
+ copied = copy_page_from_iter(page, 0, PAGE_SIZE, from);
+ if (unlikely(copied < PAGE_SIZE && iov_iter_count(from))) {
+ if (!ret)
+ ret = -EFAULT;
+ break;
+ }
+ ret += copied;
+ buf->offset = 0;
+ buf->len = copied;
+
if (!iov_iter_count(from))
break;
}
- if (bufs < pipe->buffers)
+
+ if (!pipe_full(head, pipe->tail, max_usage))
continue;
+
+ /* Wait for buffer space to become available. */
if (filp->f_flags & O_NONBLOCK) {
if (!ret)
ret = -EAGAIN;
@@ -488,11 +524,6 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
ret = -ERESTARTSYS;
break;
}
- if (do_wakeup) {
- wake_up_interruptible_sync_poll(&pipe->wait, EPOLLIN | EPOLLRDNORM);
- kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
- do_wakeup = 0;
- }
pipe->waiting_writers++;
pipe_wait(pipe);
pipe->waiting_writers--;
@@ -500,7 +531,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
out:
__pipe_unlock(pipe);
if (do_wakeup) {
- wake_up_interruptible_sync_poll(&pipe->wait, EPOLLIN | EPOLLRDNORM);
+ wake_up_interruptible_poll(&pipe->wait, EPOLLIN | EPOLLRDNORM);
kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
}
if (ret > 0 && sb_start_write_trylock(file_inode(filp)->i_sb)) {
@@ -515,17 +546,19 @@ out:
static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct pipe_inode_info *pipe = filp->private_data;
- int count, buf, nrbufs;
+ int count, head, tail, mask;
switch (cmd) {
case FIONREAD:
__pipe_lock(pipe);
count = 0;
- buf = pipe->curbuf;
- nrbufs = pipe->nrbufs;
- while (--nrbufs >= 0) {
- count += pipe->bufs[buf].len;
- buf = (buf+1) & (pipe->buffers - 1);
+ head = pipe->head;
+ tail = pipe->tail;
+ mask = pipe->ring_size - 1;
+
+ while (tail != head) {
+ count += pipe->bufs[tail & mask].len;
+ tail++;
}
__pipe_unlock(pipe);
@@ -541,21 +574,25 @@ pipe_poll(struct file *filp, poll_table *wait)
{
__poll_t mask;
struct pipe_inode_info *pipe = filp->private_data;
- int nrbufs;
+ unsigned int head = READ_ONCE(pipe->head);
+ unsigned int tail = READ_ONCE(pipe->tail);
poll_wait(filp, &pipe->wait, wait);
+ BUG_ON(pipe_occupancy(head, tail) > pipe->ring_size);
+
/* Reading only -- no need for acquiring the semaphore. */
- nrbufs = pipe->nrbufs;
mask = 0;
if (filp->f_mode & FMODE_READ) {
- mask = (nrbufs > 0) ? EPOLLIN | EPOLLRDNORM : 0;
+ if (!pipe_empty(head, tail))
+ mask |= EPOLLIN | EPOLLRDNORM;
if (!pipe->writers && filp->f_version != pipe->w_counter)
mask |= EPOLLHUP;
}
if (filp->f_mode & FMODE_WRITE) {
- mask |= (nrbufs < pipe->buffers) ? EPOLLOUT | EPOLLWRNORM : 0;
+ if (!pipe_full(head, tail, pipe->max_usage))
+ mask |= EPOLLOUT | EPOLLWRNORM;
/*
* Most Unices do not set EPOLLERR for FIFOs but on Linux they
* behave exactly like pipes for poll().
@@ -679,7 +716,8 @@ struct pipe_inode_info *alloc_pipe_info(void)
if (pipe->bufs) {
init_waitqueue_head(&pipe->wait);
pipe->r_counter = pipe->w_counter = 1;
- pipe->buffers = pipe_bufs;
+ pipe->max_usage = pipe_bufs;
+ pipe->ring_size = pipe_bufs;
pipe->user = user;
mutex_init(&pipe->mutex);
return pipe;
@@ -697,9 +735,9 @@ void free_pipe_info(struct pipe_inode_info *pipe)
{
int i;
- (void) account_pipe_buffers(pipe->user, pipe->buffers, 0);
+ (void) account_pipe_buffers(pipe->user, pipe->ring_size, 0);
free_uid(pipe->user);
- for (i = 0; i < pipe->buffers; i++) {
+ for (i = 0; i < pipe->ring_size; i++) {
struct pipe_buffer *buf = pipe->bufs + i;
if (buf->ops)
pipe_buf_release(pipe, buf);
@@ -882,7 +920,7 @@ SYSCALL_DEFINE1(pipe, int __user *, fildes)
static int wait_for_partner(struct pipe_inode_info *pipe, unsigned int *cnt)
{
- int cur = *cnt;
+ int cur = *cnt;
while (cur == *cnt) {
pipe_wait(pipe);
@@ -957,7 +995,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
}
}
break;
-
+
case FMODE_WRITE:
/*
* O_WRONLY
@@ -977,7 +1015,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
goto err_wr;
}
break;
-
+
case FMODE_READ | FMODE_WRITE:
/*
* O_RDWR
@@ -1056,14 +1094,14 @@ unsigned int round_pipe_size(unsigned long size)
static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long arg)
{
struct pipe_buffer *bufs;
- unsigned int size, nr_pages;
+ unsigned int size, nr_slots, head, tail, mask, n;
unsigned long user_bufs;
long ret = 0;
size = round_pipe_size(arg);
- nr_pages = size >> PAGE_SHIFT;
+ nr_slots = size >> PAGE_SHIFT;
- if (!nr_pages)
+ if (!nr_slots)
return -EINVAL;
/*
@@ -1073,13 +1111,13 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long arg)
* Decreasing the pipe capacity is always permitted, even
* if the user is currently over a limit.
*/
- if (nr_pages > pipe->buffers &&
+ if (nr_slots > pipe->ring_size &&
size > pipe_max_size && !capable(CAP_SYS_RESOURCE))
return -EPERM;
- user_bufs = account_pipe_buffers(pipe->user, pipe->buffers, nr_pages);
+ user_bufs = account_pipe_buffers(pipe->user, pipe->ring_size, nr_slots);
- if (nr_pages > pipe->buffers &&
+ if (nr_slots > pipe->ring_size &&
(too_many_pipe_buffers_hard(user_bufs) ||
too_many_pipe_buffers_soft(user_bufs)) &&
is_unprivileged_user()) {
@@ -1088,17 +1126,21 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long arg)
}
/*
- * We can shrink the pipe, if arg >= pipe->nrbufs. Since we don't
- * expect a lot of shrink+grow operations, just free and allocate
- * again like we would do for growing. If the pipe currently
+ * We can shrink the pipe, if arg is greater than the ring occupancy.
+ * Since we don't expect a lot of shrink+grow operations, just free and
+ * allocate again like we would do for growing. If the pipe currently
* contains more buffers than arg, then return busy.
*/
- if (nr_pages < pipe->nrbufs) {
+ mask = pipe->ring_size - 1;
+ head = pipe->head;
+ tail = pipe->tail;
+ n = pipe_occupancy(pipe->head, pipe->tail);
+ if (nr_slots < n) {
ret = -EBUSY;
goto out_revert_acct;
}
- bufs = kcalloc(nr_pages, sizeof(*bufs),
+ bufs = kcalloc(nr_slots, sizeof(*bufs),
GFP_KERNEL_ACCOUNT | __GFP_NOWARN);
if (unlikely(!bufs)) {
ret = -ENOMEM;
@@ -1107,33 +1149,37 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long arg)
/*
* The pipe array wraps around, so just start the new one at zero
- * and adjust the indexes.
+ * and adjust the indices.
*/
- if (pipe->nrbufs) {
- unsigned int tail;
- unsigned int head;
-
- tail = pipe->curbuf + pipe->nrbufs;
- if (tail < pipe->buffers)
- tail = 0;
- else
- tail &= (pipe->buffers - 1);
-
- head = pipe->nrbufs - tail;
- if (head)
- memcpy(bufs, pipe->bufs + pipe->curbuf, head * sizeof(struct pipe_buffer));
- if (tail)
- memcpy(bufs + head, pipe->bufs, tail * sizeof(struct pipe_buffer));
+ if (n > 0) {
+ unsigned int h = head & mask;
+ unsigned int t = tail & mask;
+ if (h > t) {
+ memcpy(bufs, pipe->bufs + t,
+ n * sizeof(struct pipe_buffer));
+ } else {
+ unsigned int tsize = pipe->ring_size - t;
+ if (h > 0)
+ memcpy(bufs + tsize, pipe->bufs,
+ h * sizeof(struct pipe_buffer));
+ memcpy(bufs, pipe->bufs + t,
+ tsize * sizeof(struct pipe_buffer));
+ }
}
- pipe->curbuf = 0;
+ head = n;
+ tail = 0;
+
kfree(pipe->bufs);
pipe->bufs = bufs;
- pipe->buffers = nr_pages;
- return nr_pages * PAGE_SIZE;
+ pipe->ring_size = nr_slots;
+ pipe->max_usage = nr_slots;
+ pipe->tail = tail;
+ pipe->head = head;
+ return pipe->max_usage * PAGE_SIZE;
out_revert_acct:
- (void) account_pipe_buffers(pipe->user, nr_pages, pipe->buffers);
+ (void) account_pipe_buffers(pipe->user, nr_slots, pipe->ring_size);
return ret;
}
@@ -1163,7 +1209,7 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
ret = pipe_set_size(pipe, arg);
break;
case F_GETPIPE_SZ:
- ret = pipe->buffers * PAGE_SIZE;
+ ret = pipe->max_usage * PAGE_SIZE;
break;
default:
ret = -EINVAL;
diff --git a/fs/select.c b/fs/select.c
index 53a0c149f528..11d0285d46b7 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -321,7 +321,7 @@ static int poll_select_finish(struct timespec64 *end_time,
switch (pt_type) {
case PT_TIMEVAL:
{
- struct timeval rtv;
+ struct __kernel_old_timeval rtv;
if (sizeof(rtv) > sizeof(rtv.tv_sec) + sizeof(rtv.tv_usec))
memset(&rtv, 0, sizeof(rtv));
@@ -698,10 +698,10 @@ out_nofds:
}
static int kern_select(int n, fd_set __user *inp, fd_set __user *outp,
- fd_set __user *exp, struct timeval __user *tvp)
+ fd_set __user *exp, struct __kernel_old_timeval __user *tvp)
{
struct timespec64 end_time, *to = NULL;
- struct timeval tv;
+ struct __kernel_old_timeval tv;
int ret;
if (tvp) {
@@ -720,7 +720,7 @@ static int kern_select(int n, fd_set __user *inp, fd_set __user *outp,
}
SYSCALL_DEFINE5(select, int, n, fd_set __user *, inp, fd_set __user *, outp,
- fd_set __user *, exp, struct timeval __user *, tvp)
+ fd_set __user *, exp, struct __kernel_old_timeval __user *, tvp)
{
return kern_select(n, inp, outp, exp, tvp);
}
@@ -810,7 +810,7 @@ SYSCALL_DEFINE6(pselect6_time32, int, n, fd_set __user *, inp, fd_set __user *,
struct sel_arg_struct {
unsigned long n;
fd_set __user *inp, *outp, *exp;
- struct timeval __user *tvp;
+ struct __kernel_old_timeval __user *tvp;
};
SYSCALL_DEFINE1(old_select, struct sel_arg_struct __user *, arg)
diff --git a/fs/splice.c b/fs/splice.c
index e509239d7e06..f2400ce7d528 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -185,6 +185,9 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
struct splice_pipe_desc *spd)
{
unsigned int spd_pages = spd->nr_pages;
+ unsigned int tail = pipe->tail;
+ unsigned int head = pipe->head;
+ unsigned int mask = pipe->ring_size - 1;
int ret = 0, page_nr = 0;
if (!spd_pages)
@@ -196,9 +199,8 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
goto out;
}
- while (pipe->nrbufs < pipe->buffers) {
- int newbuf = (pipe->curbuf + pipe->nrbufs) & (pipe->buffers - 1);
- struct pipe_buffer *buf = pipe->bufs + newbuf;
+ while (!pipe_full(head, tail, pipe->max_usage)) {
+ struct pipe_buffer *buf = &pipe->bufs[head & mask];
buf->page = spd->pages[page_nr];
buf->offset = spd->partial[page_nr].offset;
@@ -207,7 +209,8 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
buf->ops = spd->ops;
buf->flags = 0;
- pipe->nrbufs++;
+ head++;
+ pipe->head = head;
page_nr++;
ret += buf->len;
@@ -228,17 +231,19 @@ EXPORT_SYMBOL_GPL(splice_to_pipe);
ssize_t add_to_pipe(struct pipe_inode_info *pipe, struct pipe_buffer *buf)
{
+ unsigned int head = pipe->head;
+ unsigned int tail = pipe->tail;
+ unsigned int mask = pipe->ring_size - 1;
int ret;
if (unlikely(!pipe->readers)) {
send_sig(SIGPIPE, current, 0);
ret = -EPIPE;
- } else if (pipe->nrbufs == pipe->buffers) {
+ } else if (pipe_full(head, tail, pipe->max_usage)) {
ret = -EAGAIN;
} else {
- int newbuf = (pipe->curbuf + pipe->nrbufs) & (pipe->buffers - 1);
- pipe->bufs[newbuf] = *buf;
- pipe->nrbufs++;
+ pipe->bufs[head & mask] = *buf;
+ pipe->head = head + 1;
return buf->len;
}
pipe_buf_release(pipe, buf);
@@ -252,14 +257,14 @@ EXPORT_SYMBOL(add_to_pipe);
*/
int splice_grow_spd(const struct pipe_inode_info *pipe, struct splice_pipe_desc *spd)
{
- unsigned int buffers = READ_ONCE(pipe->buffers);
+ unsigned int max_usage = READ_ONCE(pipe->max_usage);
- spd->nr_pages_max = buffers;
- if (buffers <= PIPE_DEF_BUFFERS)
+ spd->nr_pages_max = max_usage;
+ if (max_usage <= PIPE_DEF_BUFFERS)
return 0;
- spd->pages = kmalloc_array(buffers, sizeof(struct page *), GFP_KERNEL);
- spd->partial = kmalloc_array(buffers, sizeof(struct partial_page),
+ spd->pages = kmalloc_array(max_usage, sizeof(struct page *), GFP_KERNEL);
+ spd->partial = kmalloc_array(max_usage, sizeof(struct partial_page),
GFP_KERNEL);
if (spd->pages && spd->partial)
@@ -298,10 +303,11 @@ ssize_t generic_file_splice_read(struct file *in, loff_t *ppos,
{
struct iov_iter to;
struct kiocb kiocb;
- int idx, ret;
+ unsigned int i_head;
+ int ret;
iov_iter_pipe(&to, READ, pipe, len);
- idx = to.idx;
+ i_head = to.head;
init_sync_kiocb(&kiocb, in);
kiocb.ki_pos = *ppos;
ret = call_read_iter(in, &kiocb, &to);
@@ -309,7 +315,7 @@ ssize_t generic_file_splice_read(struct file *in, loff_t *ppos,
*ppos = kiocb.ki_pos;
file_accessed(in);
} else if (ret < 0) {
- to.idx = idx;
+ to.head = i_head;
to.iov_offset = 0;
iov_iter_advance(&to, 0); /* to free what was emitted */
/*
@@ -370,11 +376,12 @@ static ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
struct iov_iter to;
struct page **pages;
unsigned int nr_pages;
+ unsigned int mask;
size_t offset, base, copied = 0;
ssize_t res;
int i;
- if (pipe->nrbufs == pipe->buffers)
+ if (pipe_full(pipe->head, pipe->tail, pipe->max_usage))
return -EAGAIN;
/*
@@ -400,8 +407,9 @@ static ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
}
}
- pipe->bufs[to.idx].offset = offset;
- pipe->bufs[to.idx].len -= offset;
+ mask = pipe->ring_size - 1;
+ pipe->bufs[to.head & mask].offset = offset;
+ pipe->bufs[to.head & mask].len -= offset;
for (i = 0; i < nr_pages; i++) {
size_t this_len = min_t(size_t, len, PAGE_SIZE - offset);
@@ -443,7 +451,8 @@ static int pipe_to_sendpage(struct pipe_inode_info *pipe,
more = (sd->flags & SPLICE_F_MORE) ? MSG_MORE : 0;
- if (sd->len < sd->total_len && pipe->nrbufs > 1)
+ if (sd->len < sd->total_len &&
+ pipe_occupancy(pipe->head, pipe->tail) > 1)
more |= MSG_SENDPAGE_NOTLAST;
return file->f_op->sendpage(file, buf->page, buf->offset,
@@ -481,10 +490,13 @@ static void wakeup_pipe_writers(struct pipe_inode_info *pipe)
static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_desc *sd,
splice_actor *actor)
{
+ unsigned int head = pipe->head;
+ unsigned int tail = pipe->tail;
+ unsigned int mask = pipe->ring_size - 1;
int ret;
- while (pipe->nrbufs) {
- struct pipe_buffer *buf = pipe->bufs + pipe->curbuf;
+ while (!pipe_empty(tail, head)) {
+ struct pipe_buffer *buf = &pipe->bufs[tail & mask];
sd->len = buf->len;
if (sd->len > sd->total_len)
@@ -511,8 +523,8 @@ static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_des
if (!buf->len) {
pipe_buf_release(pipe, buf);
- pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1);
- pipe->nrbufs--;
+ tail++;
+ pipe->tail = tail;
if (pipe->files)
sd->need_wakeup = true;
}
@@ -543,7 +555,7 @@ static int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_des
if (signal_pending(current))
return -ERESTARTSYS;
- while (!pipe->nrbufs) {
+ while (pipe_empty(pipe->head, pipe->tail)) {
if (!pipe->writers)
return 0;
@@ -686,7 +698,7 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
.pos = *ppos,
.u.file = out,
};
- int nbufs = pipe->buffers;
+ int nbufs = pipe->max_usage;
struct bio_vec *array = kcalloc(nbufs, sizeof(struct bio_vec),
GFP_KERNEL);
ssize_t ret;
@@ -699,16 +711,19 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
splice_from_pipe_begin(&sd);
while (sd.total_len) {
struct iov_iter from;
+ unsigned int head = pipe->head;
+ unsigned int tail = pipe->tail;
+ unsigned int mask = pipe->ring_size - 1;
size_t left;
- int n, idx;
+ int n;
ret = splice_from_pipe_next(pipe, &sd);
if (ret <= 0)
break;
- if (unlikely(nbufs < pipe->buffers)) {
+ if (unlikely(nbufs < pipe->max_usage)) {
kfree(array);
- nbufs = pipe->buffers;
+ nbufs = pipe->max_usage;
array = kcalloc(nbufs, sizeof(struct bio_vec),
GFP_KERNEL);
if (!array) {
@@ -719,16 +734,13 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
/* build the vector */
left = sd.total_len;
- for (n = 0, idx = pipe->curbuf; left && n < pipe->nrbufs; n++, idx++) {
- struct pipe_buffer *buf = pipe->bufs + idx;
+ for (n = 0; !pipe_empty(head, tail) && left && n < nbufs; tail++, n++) {
+ struct pipe_buffer *buf = &pipe->bufs[tail & mask];
size_t this_len = buf->len;
if (this_len > left)
this_len = left;
- if (idx == pipe->buffers - 1)
- idx = -1;
-
ret = pipe_buf_confirm(pipe, buf);
if (unlikely(ret)) {
if (ret == -ENODATA)
@@ -752,14 +764,15 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
*ppos = sd.pos;
/* dismiss the fully eaten buffers, adjust the partial one */
+ tail = pipe->tail;
while (ret) {
- struct pipe_buffer *buf = pipe->bufs + pipe->curbuf;
+ struct pipe_buffer *buf = &pipe->bufs[tail & mask];
if (ret >= buf->len) {
ret -= buf->len;
buf->len = 0;
pipe_buf_release(pipe, buf);
- pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1);
- pipe->nrbufs--;
+ tail++;
+ pipe->tail = tail;
if (pipe->files)
sd.need_wakeup = true;
} else {
@@ -942,16 +955,17 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd,
sd->flags &= ~SPLICE_F_NONBLOCK;
more = sd->flags & SPLICE_F_MORE;
- WARN_ON_ONCE(pipe->nrbufs != 0);
+ WARN_ON_ONCE(!pipe_empty(pipe->head, pipe->tail));
while (len) {
- unsigned int pipe_pages;
+ unsigned int p_space;
size_t read_len;
loff_t pos = sd->pos, prev_pos = pos;
/* Don't try to read more the pipe has space for. */
- pipe_pages = pipe->buffers - pipe->nrbufs;
- read_len = min(len, (size_t)pipe_pages << PAGE_SHIFT);
+ p_space = pipe->max_usage -
+ pipe_occupancy(pipe->head, pipe->tail);
+ read_len = min_t(size_t, len, p_space << PAGE_SHIFT);
ret = do_splice_to(in, &pos, pipe, read_len, flags);
if (unlikely(ret <= 0))
goto out_release;
@@ -990,7 +1004,7 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd,
}
done:
- pipe->nrbufs = pipe->curbuf = 0;
+ pipe->tail = pipe->head = 0;
file_accessed(in);
return bytes;
@@ -999,8 +1013,8 @@ out_release:
* If we did an incomplete transfer we must release
* the pipe buffers in question:
*/
- for (i = 0; i < pipe->buffers; i++) {
- struct pipe_buffer *buf = pipe->bufs + i;
+ for (i = 0; i < pipe->ring_size; i++) {
+ struct pipe_buffer *buf = &pipe->bufs[i];
if (buf->ops)
pipe_buf_release(pipe, buf);
@@ -1076,7 +1090,7 @@ static int wait_for_space(struct pipe_inode_info *pipe, unsigned flags)
send_sig(SIGPIPE, current, 0);
return -EPIPE;
}
- if (pipe->nrbufs != pipe->buffers)
+ if (!pipe_full(pipe->head, pipe->tail, pipe->max_usage))
return 0;
if (flags & SPLICE_F_NONBLOCK)
return -EAGAIN;
@@ -1182,11 +1196,11 @@ static long do_splice(struct file *in, loff_t __user *off_in,
pipe_lock(opipe);
ret = wait_for_space(opipe, flags);
if (!ret) {
- unsigned int pipe_pages;
+ unsigned int p_space;
/* Don't try to read more the pipe has space for. */
- pipe_pages = opipe->buffers - opipe->nrbufs;
- len = min(len, (size_t)pipe_pages << PAGE_SHIFT);
+ p_space = opipe->max_usage - pipe_occupancy(opipe->head, opipe->tail);
+ len = min_t(size_t, len, p_space << PAGE_SHIFT);
ret = do_splice_to(in, &offset, opipe, len, flags);
}
@@ -1450,16 +1464,16 @@ static int ipipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
int ret;
/*
- * Check ->nrbufs without the inode lock first. This function
+ * Check the pipe occupancy without the inode lock first. This function
* is speculative anyways, so missing one is ok.
*/
- if (pipe->nrbufs)
+ if (!pipe_empty(pipe->head, pipe->tail))
return 0;
ret = 0;
pipe_lock(pipe);
- while (!pipe->nrbufs) {
+ while (pipe_empty(pipe->head, pipe->tail)) {
if (signal_pending(current)) {
ret = -ERESTARTSYS;
break;
@@ -1488,16 +1502,16 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
int ret;
/*
- * Check ->nrbufs without the inode lock first. This function
+ * Check pipe occupancy without the inode lock first. This function
* is speculative anyways, so missing one is ok.
*/
- if (pipe->nrbufs < pipe->buffers)
+ if (pipe_full(pipe->head, pipe->tail, pipe->max_usage))
return 0;
ret = 0;
pipe_lock(pipe);
- while (pipe->nrbufs >= pipe->buffers) {
+ while (pipe_full(pipe->head, pipe->tail, pipe->max_usage)) {
if (!pipe->readers) {
send_sig(SIGPIPE, current, 0);
ret = -EPIPE;
@@ -1528,7 +1542,10 @@ static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe,
size_t len, unsigned int flags)
{
struct pipe_buffer *ibuf, *obuf;
- int ret = 0, nbuf;
+ unsigned int i_head, o_head;
+ unsigned int i_tail, o_tail;
+ unsigned int i_mask, o_mask;
+ int ret = 0;
bool input_wakeup = false;
@@ -1548,7 +1565,14 @@ retry:
*/
pipe_double_lock(ipipe, opipe);
+ i_tail = ipipe->tail;
+ i_mask = ipipe->ring_size - 1;
+ o_head = opipe->head;
+ o_mask = opipe->ring_size - 1;
+
do {
+ size_t o_len;
+
if (!opipe->readers) {
send_sig(SIGPIPE, current, 0);
if (!ret)
@@ -1556,14 +1580,18 @@ retry:
break;
}
- if (!ipipe->nrbufs && !ipipe->writers)
+ i_head = ipipe->head;
+ o_tail = opipe->tail;
+
+ if (pipe_empty(i_head, i_tail) && !ipipe->writers)
break;
/*
* Cannot make any progress, because either the input
* pipe is empty or the output pipe is full.
*/
- if (!ipipe->nrbufs || opipe->nrbufs >= opipe->buffers) {
+ if (pipe_empty(i_head, i_tail) ||
+ pipe_full(o_head, o_tail, opipe->max_usage)) {
/* Already processed some buffers, break */
if (ret)
break;
@@ -1583,9 +1611,8 @@ retry:
goto retry;
}
- ibuf = ipipe->bufs + ipipe->curbuf;
- nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);
- obuf = opipe->bufs + nbuf;
+ ibuf = &ipipe->bufs[i_tail & i_mask];
+ obuf = &opipe->bufs[o_head & o_mask];
if (len >= ibuf->len) {
/*
@@ -1593,10 +1620,12 @@ retry:
*/
*obuf = *ibuf;
ibuf->ops = NULL;
- opipe->nrbufs++;
- ipipe->curbuf = (ipipe->curbuf + 1) & (ipipe->buffers - 1);
- ipipe->nrbufs--;
+ i_tail++;
+ ipipe->tail = i_tail;
input_wakeup = true;
+ o_len = obuf->len;
+ o_head++;
+ opipe->head = o_head;
} else {
/*
* Get a reference to this pipe buffer,
@@ -1618,12 +1647,14 @@ retry:
pipe_buf_mark_unmergeable(obuf);
obuf->len = len;
- opipe->nrbufs++;
- ibuf->offset += obuf->len;
- ibuf->len -= obuf->len;
+ ibuf->offset += len;
+ ibuf->len -= len;
+ o_len = len;
+ o_head++;
+ opipe->head = o_head;
}
- ret += obuf->len;
- len -= obuf->len;
+ ret += o_len;
+ len -= o_len;
} while (len);
pipe_unlock(ipipe);
@@ -1649,7 +1680,10 @@ static int link_pipe(struct pipe_inode_info *ipipe,
size_t len, unsigned int flags)
{
struct pipe_buffer *ibuf, *obuf;
- int ret = 0, i = 0, nbuf;
+ unsigned int i_head, o_head;
+ unsigned int i_tail, o_tail;
+ unsigned int i_mask, o_mask;
+ int ret = 0;
/*
* Potential ABBA deadlock, work around it by ordering lock
@@ -1658,6 +1692,11 @@ static int link_pipe(struct pipe_inode_info *ipipe,
*/
pipe_double_lock(ipipe, opipe);
+ i_tail = ipipe->tail;
+ i_mask = ipipe->ring_size - 1;
+ o_head = opipe->head;
+ o_mask = opipe->ring_size - 1;
+
do {
if (!opipe->readers) {
send_sig(SIGPIPE, current, 0);
@@ -1666,15 +1705,19 @@ static int link_pipe(struct pipe_inode_info *ipipe,
break;
}
+ i_head = ipipe->head;
+ o_tail = opipe->tail;
+
/*
- * If we have iterated all input buffers or ran out of
+ * If we have iterated all input buffers or run out of
* output room, break.
*/
- if (i >= ipipe->nrbufs || opipe->nrbufs >= opipe->buffers)
+ if (pipe_empty(i_head, i_tail) ||
+ pipe_full(o_head, o_tail, opipe->max_usage))
break;
- ibuf = ipipe->bufs + ((ipipe->curbuf + i) & (ipipe->buffers-1));
- nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);
+ ibuf = &ipipe->bufs[i_tail & i_mask];
+ obuf = &opipe->bufs[o_head & o_mask];
/*
* Get a reference to this pipe buffer,
@@ -1686,7 +1729,6 @@ static int link_pipe(struct pipe_inode_info *ipipe,
break;
}
- obuf = opipe->bufs + nbuf;
*obuf = *ibuf;
/*
@@ -1699,11 +1741,12 @@ static int link_pipe(struct pipe_inode_info *ipipe,
if (obuf->len > len)
obuf->len = len;
-
- opipe->nrbufs++;
ret += obuf->len;
len -= obuf->len;
- i++;
+
+ o_head++;
+ opipe->head = o_head;
+ i_tail++;
} while (len);
/*
diff --git a/fs/timerfd.c b/fs/timerfd.c
index 48305ba41e3c..ac7f59a58f94 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -302,11 +302,11 @@ static ssize_t timerfd_read(struct file *file, char __user *buf, size_t count,
static void timerfd_show(struct seq_file *m, struct file *file)
{
struct timerfd_ctx *ctx = file->private_data;
- struct itimerspec t;
+ struct timespec64 value, interval;
spin_lock_irq(&ctx->wqh.lock);
- t.it_value = ktime_to_timespec(timerfd_get_remaining(ctx));
- t.it_interval = ktime_to_timespec(ctx->tintv);
+ value = ktime_to_timespec64(timerfd_get_remaining(ctx));
+ interval = ktime_to_timespec64(ctx->tintv);
spin_unlock_irq(&ctx->wqh.lock);
seq_printf(m,
@@ -318,10 +318,10 @@ static void timerfd_show(struct seq_file *m, struct file *file)
ctx->clockid,
(unsigned long long)ctx->ticks,
ctx->settime_flags,
- (unsigned long long)t.it_value.tv_sec,
- (unsigned long long)t.it_value.tv_nsec,
- (unsigned long long)t.it_interval.tv_sec,
- (unsigned long long)t.it_interval.tv_nsec);
+ (unsigned long long)value.tv_sec,
+ (unsigned long long)value.tv_nsec,
+ (unsigned long long)interval.tv_sec,
+ (unsigned long long)interval.tv_nsec);
}
#else
#define timerfd_show NULL
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 90acd2812ea7..37df7c9eedb1 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -1928,7 +1928,7 @@ static const struct file_operations userfaultfd_fops = {
.poll = userfaultfd_poll,
.read = userfaultfd_read,
.unlocked_ioctl = userfaultfd_ioctl,
- .compat_ioctl = userfaultfd_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.llseek = noop_llseek,
};
diff --git a/fs/utimes.c b/fs/utimes.c
index 1ba3f7883870..c952b6b3d8a0 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -161,9 +161,9 @@ SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename,
* utimensat() instead.
*/
static long do_futimesat(int dfd, const char __user *filename,
- struct timeval __user *utimes)
+ struct __kernel_old_timeval __user *utimes)
{
- struct timeval times[2];
+ struct __kernel_old_timeval times[2];
struct timespec64 tstimes[2];
if (utimes) {
@@ -190,13 +190,13 @@ static long do_futimesat(int dfd, const char __user *filename,
SYSCALL_DEFINE3(futimesat, int, dfd, const char __user *, filename,
- struct timeval __user *, utimes)
+ struct __kernel_old_timeval __user *, utimes)
{
return do_futimesat(dfd, filename, utimes);
}
SYSCALL_DEFINE2(utimes, char __user *, filename,
- struct timeval __user *, utimes)
+ struct __kernel_old_timeval __user *, utimes)
{
return do_futimesat(AT_FDCWD, filename, utimes);
}
generated by cgit (git 2.34.1) at 2024-05-17 22:49:14 +0000