From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> Date: Fri, 22 Jul 2016 21:07:37 +0200 The kmem_cache_destroy() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> --- block/elevator.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/block/elevator.c b/block/elevator.c index 7096c22..29dc177 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -846,8 +846,7 @@ int elv_register(struct elevator_type *e) spin_lock(&elv_list_lock); if (elevator_find(e->elevator_name)) { spin_unlock(&elv_list_lock); - if (e->icq_cache) - kmem_cache_destroy(e->icq_cache); + kmem_cache_destroy(e->icq_cache); return -EBUSY; } list_add_tail(&e->list, &elv_list); -- 2.9.2 -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html