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[PULL,32/44] linux-user: Use safe_syscall wrapper for mq_timedsend and mq_timedreceive

Message ID d40ecd66182c9dbcf320c63a359917968cc9b73c.1465392531.git.riku.voipio@linaro.org
State Accepted
Commit d40ecd66182c9dbcf320c63a359917968cc9b73c
Headers show

Commit Message

Riku Voipio June 8, 2016, 1:30 p.m. UTC 
From: Peter Maydell <peter.maydell@linaro.org>


Use the safe_syscall wrapper for mq_timedsend and mq_timedreceive syscalls.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

---
 linux-user/syscall.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

-- 
2.1.4
diff mbox

Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index b41d269..294e5ee 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -750,6 +750,12 @@  static int safe_msgrcv(int msgid, void *msgp, size_t sz, long type, int flags)
     return safe_ipc(Q_IPCCALL(1, Q_MSGRCV), msgid, sz, flags, msgp, type);
 }
 #endif
+#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
+safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr,
+              size_t, len, unsigned, prio, const struct timespec *, timeout)
+safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr,
+              size_t, len, unsigned *, prio, const struct timespec *, timeout)
+#endif
 
 static inline int host_to_target_sock_type(int host_type)
 {
@@ -10593,11 +10599,11 @@  abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
             p = lock_user (VERIFY_READ, arg2, arg3, 1);
             if (arg5 != 0) {
                 target_to_host_timespec(&ts, arg5);
-                ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
+                ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts));
                 host_to_target_timespec(arg5, &ts);
+            } else {
+                ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL));
             }
-            else
-                ret = get_errno(mq_send(arg1, p, arg3, arg4));
             unlock_user (p, arg2, arg3);
         }
         break;
@@ -10610,11 +10616,13 @@  abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
             p = lock_user (VERIFY_READ, arg2, arg3, 1);
             if (arg5 != 0) {
                 target_to_host_timespec(&ts, arg5);
-                ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
+                ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
+                                                     &prio, &ts));
                 host_to_target_timespec(arg5, &ts);
+            } else {
+                ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
+                                                     &prio, NULL));
             }
-            else
-                ret = get_errno(mq_receive(arg1, p, arg3, &prio));
             unlock_user (p, arg2, arg3);
             if (arg4 != 0)
                 put_user_u32(prio, arg4);