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authorColy Li <colyli@suse.de>2018-08-11 07:19:54 +0200
committerJens Axboe <axboe@kernel.dk>2018-08-11 23:46:42 +0200
commit3069211be30015b78e096fc4d3774b7d4ba29781 (patch)
tree8e53b6df34a2040d2f013058db20c4e3f763031d /drivers
parentbcache: prefer 'help' in Kconfig (diff)
downloadlinux-3069211be30015b78e096fc4d3774b7d4ba29781.tar.xz
linux-3069211be30015b78e096fc4d3774b7d4ba29781.zip
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 <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/bcache/request.c3
1 files changed, 1 insertions, 2 deletions
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)