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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2022-06-30 09:08:31 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2022-06-30 09:12:59 -0300
commit71d87d85bf54f6522813aec97c19bdd24997341e (patch)
tree1922962b0d2543b770d09975cc1a1a4d61723408 /sysdeps/unix
parent96ac447d915ea5ecef3f9168cc13f4e731349a3b (diff)
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linux: Fix mq_timereceive check for 32 bit fallback code (BZ 29304)
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.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/mq_timedreceive.c2
1 files changed, 1 insertions, 1 deletions
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;