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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>
This commit is contained in:
Paul E. McKenney 2015-05-14 15:35:43 -07:00
parent d770e558e2
commit d9eba76883
1 changed files with 1 additions and 1 deletions
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2
kernel/rcu/rcutorture.c
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@ -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