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>

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))