From: Coly Li Date: Sat, 11 Aug 2018 05:19:54 +0000 (+0800) Subject: bcache: do not check NULL pointer before calling kmem_cache_destroy X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=3069211be30015b78e096fc4d3774b7d4ba29781;p=openwrt%2Fstaging%2Fblogic.git bcache: do not check NULL pointer before calling kmem_cache_destroy kmem_cache_destroy() is safe for NULL pointer as input, the NULL pointer checking is unncessary. This patch just removes the NULL pointer checking to make code simpler. Signed-off-by: Coly Li Reviewed-by: Shenghui Wang Signed-off-by: Jens Axboe --- diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 55264e71369d..51be355a3309 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -1367,8 +1367,7 @@ void bch_flash_dev_request_init(struct bcache_device *d) void bch_request_exit(void) { - if (bch_search_cache) - kmem_cache_destroy(bch_search_cache); + kmem_cache_destroy(bch_search_cache); } int __init bch_request_init(void)