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authorHeiko Carstens <heiko.carstens@de.ibm.com>2014-03-04 16:19:16 +0100
committerHeiko Carstens <heiko.carstens@de.ibm.com>2014-03-06 16:30:45 +0100
commit8eee9093cdbeb2aa89d67dc1a3fd118acabaea52 (patch)
treead181d1ee2fab9db22b51676cb259083fe890423
parent932602e238329da99f8482c1b721549531fbfe7f (diff)
ipc/compat: convert to COMPAT_SYSCALL_DEFINE with changing parameter types
In order to allow the COMPAT_SYSCALL_DEFINE macro generate code that performs proper zero and sign extension convert all 64 bit parameters to their corresponding 32 bit compat counterparts. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
-rw-r--r--include/linux/compat.h4
-rw-r--r--ipc/compat_mq.c16
2 files changed, 10 insertions, 10 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h
index fea8ee9afe22..f670e591aff8 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -655,11 +655,11 @@ asmlinkage long compat_sys_mq_open(const char __user *u_name,
struct compat_mq_attr __user *u_attr);
asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
const char __user *u_msg_ptr,
- size_t msg_len, unsigned int msg_prio,
+ compat_size_t msg_len, unsigned int msg_prio,
const struct compat_timespec __user *u_abs_timeout);
asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
char __user *u_msg_ptr,
- size_t msg_len, unsigned int __user *u_msg_prio,
+ compat_size_t msg_len, unsigned int __user *u_msg_prio,
const struct compat_timespec __user *u_abs_timeout);
asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args);
diff --git a/ipc/compat_mq.c b/ipc/compat_mq.c
index af087fb40bf7..d58747293772 100644
--- a/ipc/compat_mq.c
+++ b/ipc/compat_mq.c
@@ -78,10 +78,10 @@ static int compat_prepare_timeout(struct timespec __user **p,
return 0;
}
-asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
- const char __user *u_msg_ptr,
- size_t msg_len, unsigned int msg_prio,
- const struct compat_timespec __user *u_abs_timeout)
+COMPAT_SYSCALL_DEFINE5(mq_timedsend, mqd_t, mqdes,
+ const char __user *, u_msg_ptr,
+ compat_size_t, msg_len, unsigned int, msg_prio,
+ const struct compat_timespec __user *, u_abs_timeout)
{
struct timespec __user *u_ts;
@@ -92,10 +92,10 @@ asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
msg_prio, u_ts);
}
-asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
- char __user *u_msg_ptr,
- size_t msg_len, unsigned int __user *u_msg_prio,
- const struct compat_timespec __user *u_abs_timeout)
+COMPAT_SYSCALL_DEFINE5(mq_timedreceive, mqd_t, mqdes,
+ char __user *, u_msg_ptr,
+ compat_size_t, msg_len, unsigned int __user *, u_msg_prio,
+ const struct compat_timespec __user *, u_abs_timeout)
{
struct timespec __user *u_ts;
if (compat_prepare_timeout(&u_ts, u_abs_timeout))