From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757290AbaD2Aaz (ORCPT ); Mon, 28 Apr 2014 20:30:55 -0400 Received: from e37.co.us.ibm.com ([32.97.110.158]:37430 "EHLO e37.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933075AbaD2AZu (ORCPT ); Mon, 28 Apr 2014 20:25:50 -0400 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com, oleg@redhat.com, sbw@mit.edu, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 33/45] rcutorture: Check for rcu_torture_fqs creation errors Date: Mon, 28 Apr 2014 17:25:21 -0700 Message-Id: <1398731133-18925-33-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1398731133-18925-1-git-send-email-paulmck@linux.vnet.ibm.com> References: <20140429002455.GA15461@linux.vnet.ibm.com> <1398731133-18925-1-git-send-email-paulmck@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14042900-7164-0000-0000-0000015FD2F2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Paul E. McKenney" The return value from torture_create_kthread() is currently ignored when creating the rcu_torture_fqs kthread. This commit therefore captures the return value so that it can be tested for errors. Signed-off-by: Paul E. McKenney --- kernel/rcu/rcutorture.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index ea8af005ea3f..cf231f508139 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1576,7 +1576,8 @@ rcu_torture_init(void) fqs_duration = 0; if (fqs_duration) { /* Create the fqs thread */ - torture_create_kthread(rcu_torture_fqs, NULL, fqs_task); + firsterr = torture_create_kthread(rcu_torture_fqs, NULL, + fqs_task); if (firsterr) goto unwind; } -- 1.8.1.5