From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1791) id 802DF3842AF8; Thu, 30 Jun 2022 13:55:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 802DF3842AF8 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Adhemerval Zanella To: glibc-cvs@sourceware.org Subject: [glibc/release/2.35/master] linux: Fix mq_timereceive check for 32 bit fallback code (BZ 29304) X-Act-Checkin: glibc X-Git-Author: Adhemerval Zanella X-Git-Refname: refs/heads/release/2.35/master X-Git-Oldrev: b6aade18a7e5719c942aa2da6cf3157aca993fa4 X-Git-Newrev: cd4f43be3d60384009e9a928d82db815f77ef9b7 Message-Id: <20220630135501.802DF3842AF8@sourceware.org> Date: Thu, 30 Jun 2022 13:55:01 +0000 (GMT) X-BeenThere: glibc-cvs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Jun 2022 13:55:01 -0000 https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cd4f43be3d60384009e9a928d82db815f77ef9b7 commit cd4f43be3d60384009e9a928d82db815f77ef9b7 Author: Adhemerval Zanella 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: --- sysdeps/unix/sysv/linux/mq_timedreceive.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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;