linux-kernel - [PATCH tip/core/rcu 36/55] rcutorture: Fix missing-return bug in rcu_torture_barrier

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Message-Id: <1392675179-11560-36-git-send-email-paulmck@linux.vnet.ibm.com>
Date:	Mon, 17 Feb 2014 14:12:40 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...nel.org, laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, dhowells@...hat.com,
	edumazet@...gle.com, darren@...art.com, fweisbec@...il.com,
	oleg@...hat.com, sbw@....edu,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 36/55] rcutorture: Fix missing-return bug in rcu_torture_barrier_init()

From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>

This commit adds a missing error return to the code path that creates
the rcu_torture_barrier() kthread.

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 kernel/rcu/rcutorture.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 6d12fd18d97f..cf365160b44f 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -1244,6 +1244,7 @@ static int rcu_torture_barrier_init(void)
 		ret = PTR_ERR(barrier_task);
 		VERBOSE_TOROUT_ERRSTRING("Failed to create rcu_torture_barrier");
 		barrier_task = NULL;
+		return ret;
 	}
 	torture_shuffle_task_register(barrier_task);
 	return 0;
-- 
1.8.1.5

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