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| author | Chengguang Xu <cgxu519@gmx.com> | 2018-08-28 07:31:11 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-08-27 19:16:06 -0600 |
| commit | 62d2a1940709198a522a43ff8be8b8f6b3654dec (patch) | |
| tree | db9237beb8b83d40069a2090b263211dc792945e | |
| parent | 46cb52ad414ac829680d0bb8cc7090ac2b577ca7 (diff) | |
| download | linux-rpi-62d2a1940709198a522a43ff8be8b8f6b3654dec.tar.gz linux-rpi-62d2a1940709198a522a43ff8be8b8f6b3654dec.tar.bz2 linux-rpi-62d2a1940709198a522a43ff8be8b8f6b3654dec.zip | |
block: remove unnecessary condition check
kmem_cache_destroy() can handle NULL pointer correctly, so there is
no need to check e->icq_cache before calling kmem_cache_destroy().
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/elevator.c | 3 |
1 files changed, 1 insertions, 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); |