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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-05-14 15:35:43 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-07-15 14:47:14 -0700 |
| commit | d9eba768839ac24e47606af36e50c14f10c2211c (patch) | |
| tree | c4afbae3056125dff0a4770c26a717a595d92e99 /kernel/rcu | |
| parent | d770e558e21961ad6cfdf0ff7df0eb5d7d4f0754 (diff) | |
| download | linux-d9eba768839ac24e47606af36e50c14f10c2211c.tar.gz linux-d9eba768839ac24e47606af36e50c14f10c2211c.tar.bz2 linux-d9eba768839ac24e47606af36e50c14f10c2211c.zip | |
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.c | 2 |
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 |