diff mbox series

[COMMITTED] linux: Fix mq_timereceive check for 32 bit fallback code (BZ 29304)

Message ID 20220630121351.76212-1-adhemerval.zanella@linaro.org
State Committed
Commit 71d87d85bf54f6522813aec97c19bdd24997341e
Headers
Series [COMMITTED] linux: Fix mq_timereceive check for 32 bit fallback code (BZ 29304) |

Commit Message

Adhemerval Zanella Netto June 30, 2022, 12:13 p.m. UTC 
  On  success,  mq_receive() and mq_timedreceive() return the number of
bytes in the received message, so it requires to check if the value
is larger than 0.

Checked on i686-linux-gnu.
---
 sysdeps/unix/sysv/linux/mq_timedreceive.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/sysdeps/unix/sysv/linux/mq_timedreceive.c b/sysdeps/unix/sysv/linux/mq_timedreceive.c
index 834cd7a484..5bf1e0a83b 100644
--- a/sysdeps/unix/sysv/linux/mq_timedreceive.c
+++ b/sysdeps/unix/sysv/linux/mq_timedreceive.c
@@ -41,7 +41,7 @@  ___mq_timedreceive_time64 (mqd_t mqdes, char *__restrict msg_ptr, size_t msg_len
     {
       int r = SYSCALL_CANCEL (mq_timedreceive_time64, mqdes, msg_ptr, msg_len,
 			      msg_prio, abs_timeout);
-      if (r == 0 || errno != ENOSYS)
+      if (r >= 0 || errno != ENOSYS)
 	return r;
       __set_errno (EOVERFLOW);
       return -1;