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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-05-14 15:35:43 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-07-15 14:47:14 -0700
commitd9eba768839ac24e47606af36e50c14f10c2211c (patch)
treec4afbae3056125dff0a4770c26a717a595d92e99 /kernel/rcu
parentd770e558e21961ad6cfdf0ff7df0eb5d7d4f0754 (diff)
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rcutorture: Better bounds checking for n_barrier_cbs
A negative value for rcutorture.n_barrier_cbs can pass a negative value to the memory allocator, so this commit instead causes rcu_barrier() testing to be disabled in this case. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu')
-rw-r--r--kernel/rcu/rcutorture.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 59e32684c23b..7e29a3266139 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -1507,7 +1507,7 @@ static int rcu_torture_barrier_init(void)
int i;
int ret;
- if (n_barrier_cbs == 0)
+ if (n_barrier_cbs <= 0)
return 0;
if (cur_ops->call == NULL || cur_ops->cb_barrier == NULL) {
pr_alert("%s" TORTURE_FLAG