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[PATCH -next] rcutorture: Fix error return code in rcu_perf_init()

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From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Fix to return a negative error code -ENOMEM from kcalloc() error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
 kernel/rcu/rcuperf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/rcu/rcuperf.c b/kernel/rcu/rcuperf.c
index 7b2dbdf..d38ab08 100644
--- a/kernel/rcu/rcuperf.c
+++ b/kernel/rcu/rcuperf.c
@@ -638,8 +638,10 @@ rcu_perf_init(void)
 		writer_durations[i] =
 			kcalloc(MAX_MEAS, sizeof(*writer_durations[i]),
 				GFP_KERNEL);
-		if (!writer_durations[i])
+		if (!writer_durations[i]) {
+			firsterr = -ENOMEM;
 			goto unwind;
+		}
 		firsterr = torture_create_kthread(rcu_perf_writer, (void *)i,
 						  writer_tasks[i]);
 		if (firsterr)

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[PATCH -next] rcutorture: Fix error return code in rcu_perf_init() weiyj_lk@163.com - 2016-06-13 17:30 +0200
  Re: [PATCH -next] rcutorture: Fix error return code in  rcu_perf_init() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-06-13 19:00 +0200

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