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authorOlof Johansson <olof@lixom.net>2013-06-12 16:26:33 -0700
committerOlof Johansson <olof@lixom.net>2013-06-12 16:27:21 -0700
commit1e76c7cb3c1d281be2e452e780e53859abc7c145 (patch)
tree5199604868c08ab76ea17c860f1f2ab553670360 /net/socket.c
parent18c0e596791a1014781202a3af649f42a6d8495d (diff)
parenta38089057fa450944f2e2d07885d76fd727c8d16 (diff)
Merge tag 'exynos-dt-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
From Kukjin Kim: Update exynos DT for - usb3phy and dwc3 for exynos5250 - keypad for exynos4412 - TMU clock for exynos4210 - MFC clock for exynos4 - DP controller for exynos5250 - G2D clock for exynos4 - some exynos boards * tag 'exynos-dt-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (456 commits) ARM: dts: add ohci and ehci controller nodes for EXYNOS5440 ARM: dts: Update G2D documentation for clock entries ARM: dts: Add clock entries to G2D node for exynos4x12 ARM: dts: Add clock entries to G2D node for exynos4210 ARM: dts: Remove duplicate and add missing G2D nodes clk: exynos4: Add additional G2D clocks ARM: dts: Document DP clock in samsung,exynos5-dp binding ARM: dts: add pin state information for DP HPD support to Exynos5250 ARM: dts: add dts node for the ahci sata exynos5440 ARM: dts: add vmmc regulator support for ODROID-X ARM: dts: add max77686 node entry for ODROID-X ARM: dts: Enable RTC by default on EXYNOS5440 ARM: dts: Add display timing node to exynos5250-arndale.dts ARM: dts: Add clock provider information for DP controller in Exynos5250 SoC ARM: dts: Add DT node for DP controller for Arndale Board ARM: dts: Remove combiner IRQ node from exynos4x12.dtsi ARM: dts: add max8997 device node for exynos4210-origen board ARM: dts: Enable TMU on Origen4210 board ARM: dts: Add TMU clock entries to exynos4210.dtsi ARM: dts: Update MFC documentation for clock entries ... Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c61
1 files changed, 42 insertions, 19 deletions
diff --git a/net/socket.c b/net/socket.c
index 6b94633ca61d..4ca1526db756 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1956,7 +1956,7 @@ struct used_address {
unsigned int name_len;
};
-static int __sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
+static int ___sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
struct msghdr *msg_sys, unsigned int flags,
struct used_address *used_address)
{
@@ -2071,22 +2071,30 @@ out:
* BSD sendmsg interface
*/
-SYSCALL_DEFINE3(sendmsg, int, fd, struct msghdr __user *, msg, unsigned int, flags)
+long __sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags)
{
int fput_needed, err;
struct msghdr msg_sys;
- struct socket *sock = sockfd_lookup_light(fd, &err, &fput_needed);
+ struct socket *sock;
+ sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
- err = __sys_sendmsg(sock, msg, &msg_sys, flags, NULL);
+ err = ___sys_sendmsg(sock, msg, &msg_sys, flags, NULL);
fput_light(sock->file, fput_needed);
out:
return err;
}
+SYSCALL_DEFINE3(sendmsg, int, fd, struct msghdr __user *, msg, unsigned int, flags)
+{
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+ return __sys_sendmsg(fd, msg, flags);
+}
+
/*
* Linux sendmmsg interface
*/
@@ -2117,15 +2125,16 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
while (datagrams < vlen) {
if (MSG_CMSG_COMPAT & flags) {
- err = __sys_sendmsg(sock, (struct msghdr __user *)compat_entry,
- &msg_sys, flags, &used_address);
+ err = ___sys_sendmsg(sock, (struct msghdr __user *)compat_entry,
+ &msg_sys, flags, &used_address);
if (err < 0)
break;
err = __put_user(err, &compat_entry->msg_len);
++compat_entry;
} else {
- err = __sys_sendmsg(sock, (struct msghdr __user *)entry,
- &msg_sys, flags, &used_address);
+ err = ___sys_sendmsg(sock,
+ (struct msghdr __user *)entry,
+ &msg_sys, flags, &used_address);
if (err < 0)
break;
err = put_user(err, &entry->msg_len);
@@ -2149,10 +2158,12 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
SYSCALL_DEFINE4(sendmmsg, int, fd, struct mmsghdr __user *, mmsg,
unsigned int, vlen, unsigned int, flags)
{
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
return __sys_sendmmsg(fd, mmsg, vlen, flags);
}
-static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
+static int ___sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
struct msghdr *msg_sys, unsigned int flags, int nosec)
{
struct compat_msghdr __user *msg_compat =
@@ -2244,23 +2255,31 @@ out:
* BSD recvmsg interface
*/
-SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
- unsigned int, flags)
+long __sys_recvmsg(int fd, struct msghdr __user *msg, unsigned flags)
{
int fput_needed, err;
struct msghdr msg_sys;
- struct socket *sock = sockfd_lookup_light(fd, &err, &fput_needed);
+ struct socket *sock;
+ sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
- err = __sys_recvmsg(sock, msg, &msg_sys, flags, 0);
+ err = ___sys_recvmsg(sock, msg, &msg_sys, flags, 0);
fput_light(sock->file, fput_needed);
out:
return err;
}
+SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
+ unsigned int, flags)
+{
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+ return __sys_recvmsg(fd, msg, flags);
+}
+
/*
* Linux recvmmsg interface
*/
@@ -2298,17 +2317,18 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
* No need to ask LSM for more than the first datagram.
*/
if (MSG_CMSG_COMPAT & flags) {
- err = __sys_recvmsg(sock, (struct msghdr __user *)compat_entry,
- &msg_sys, flags & ~MSG_WAITFORONE,
- datagrams);
+ err = ___sys_recvmsg(sock, (struct msghdr __user *)compat_entry,
+ &msg_sys, flags & ~MSG_WAITFORONE,
+ datagrams);
if (err < 0)
break;
err = __put_user(err, &compat_entry->msg_len);
++compat_entry;
} else {
- err = __sys_recvmsg(sock, (struct msghdr __user *)entry,
- &msg_sys, flags & ~MSG_WAITFORONE,
- datagrams);
+ err = ___sys_recvmsg(sock,
+ (struct msghdr __user *)entry,
+ &msg_sys, flags & ~MSG_WAITFORONE,
+ datagrams);
if (err < 0)
break;
err = put_user(err, &entry->msg_len);
@@ -2375,6 +2395,9 @@ SYSCALL_DEFINE5(recvmmsg, int, fd, struct mmsghdr __user *, mmsg,
int datagrams;
struct timespec timeout_sys;
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+
if (!timeout)
return __sys_recvmmsg(fd, mmsg, vlen, flags, NULL);