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bcache: do not check NULL pointer before calling kmem_cache_destroy

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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 <[email protected]>
Reviewed-by: Shenghui Wang <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Coly Li 2018-08-11 13:19:54 +08:00 • committed by Jens Axboe
commit 3069211be3
1 changed files with 1 additions and 2 deletions
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3
drivers/md/bcache/request.c
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@ -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)