rcutorture: Fix missing-return bug in rcu_torture_barrier_init()

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@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index bcaafd6cf6338ea11d2dd81abc6e586a5039aa25..25e9b16fe7f0888e85d7729e609f18b8892ec297 100644 (file)
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -1245,6 +1245,7 @@ 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;