Since commit 3942d2991852 ("mm/slab_common: allow NULL cache
pointer in kmem_cache_destroy()"), the kmem_cache_destroy()
function has been able to handle null pointers. Remove NULL
check against e->icq_cache in elv_register(), simplifying the code.
Signed-off-by: John Pittman <jpittman@xxxxxxxxxx>
---
block/elevator.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/block/elevator.c b/block/elevator.c
index 5ea6e7d600e4..6a06b5d040e5 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -895,8 +895,7 @@ int elv_register(struct elevator_type *e)
spin_lock(&elv_list_lock);
if (elevator_find(e->elevator_name, e->uses_mq)) {
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);
--
2.17.1
