| commit 4b246b2bbd1d5a77035bb990d6097b7337c34bbb |
| Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> |
| Date: Thu Jun 30 09:08:31 2022 -0300 |
| |
| 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. |
| |
| (cherry picked from commit 71d87d85bf54f6522813aec97c19bdd24997341e) |
| |
| diff --git a/sysdeps/unix/sysv/linux/mq_timedreceive.c b/sysdeps/unix/sysv/linux/mq_timedreceive.c |
| index 7f3a112d7f2cbbe7..1fc98752e7d6d506 100644 |
| |
| |
| @@ -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; |