Commit-ID: e8e255f7191fb6491dd1d96cfbbe19981f6eb3dd
Gitweb: http://git.kernel.org/tip/e8e255f7191fb6491dd1d96cfbbe19981f6eb3dd
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Thu, 14 May 2015 16:55:45 -0700
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Wed, 15 Jul 2015 14:47:16 -0700
rcutorture: Bounds-check rcutorture.shuffle_interval
Specifying a negative rcutorture.shuffle_interval value will cause a
negative value to be used as a sleep time. This commit therefore
refuses to start shuffling unless the rcutorture.shuffle_interval
value is greater than zero.
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
kernel/rcu/rcutorture.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 2cbe569..1cead78 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -1821,7 +1821,7 @@ rcu_torture_init(void)
if (firsterr)
goto unwind;
}
- if (test_no_idle_hz) {
+ if (test_no_idle_hz && shuffle_interval > 0) {
firsterr = torture_shuffle_init(shuffle_interval * HZ);
if (firsterr)
goto unwind;
--
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