Commit-ID: 05dbbfe753792dcebb6b85d84fa5926f09723cfe
Gitweb: http://git.kernel.org/tip/05dbbfe753792dcebb6b85d84fa5926f09723cfe
Author: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
AuthorDate: Mon, 13 Jun 2016 15:20:39 +0000
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Tue, 14 Jun 2016 16:03:32 -0700
rcutorture: Fix error return code in rcu_perf_init()
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@xxxxxxxxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
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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