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@xxxxxxxxxx>
---
include/linux/compat.h | 4 ++--
ipc/compat_mq.c | 16 ++++++++--------
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))
--
1.8.4.5
--
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