From 3069211be30015b78e096fc4d3774b7d4ba29781 Mon Sep 17 00:00:00 2001
From: Coly Li <colyli@suse.de>
Date: Sat, 11 Aug 2018 13:19:54 +0800
Subject: [PATCH] bcache: do not check NULL pointer before calling
kmem_cache_destroy
Git-commit: 3069211be30015b78e096fc4d3774b7d4ba29781
Patch-mainline: v4.19-rc1
References: bsc#1111974,bsc#1130972
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>
---
drivers/md/bcache/request.c | 3 +--
1 file changed, 1 insertion(+), 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)
--
2.16.4