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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@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2015-05-14 16:55:45 -07:00
parent 4444d852a9
commit e8e255f719
1 changed files with 1 additions and 1 deletions
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2
kernel/rcu/rcutorture.c
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@ -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;