diff options
| author |   zhong jiang <zhongjiang@huawei.com> | 2018-08-08 23:22:47 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-08-08 10:04:42 -0600 |
| commit | a12fc00b237c25519cc861b56dd4ca41bbec4ed3 (patch) | |
| tree | f055d27b928e926b53f6f3228fa637550506c1f6 /drivers/block | |
| parent | drivers/block/aoe/aoedev: NULL check is not needed for mempool_destroy (diff) | |
| download | linux-dev-a12fc00b237c25519cc861b56dd4ca41bbec4ed3.tar.xz linux-dev-a12fc00b237c25519cc861b56dd4ca41bbec4ed3.zip | |
drivers/block/drbd: remove the null check for kmem_cache_destroy
kmem_cache_destroy has taken null pointer into account. So it is
safe to drop the null check before calling the function.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index a80809bd3057..ef8212a4b73e 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2103,14 +2103,10 @@ static void drbd_destroy_mempools(void) mempool_exit(&drbd_md_io_page_pool); mempool_exit(&drbd_ee_mempool); mempool_exit(&drbd_request_mempool); - if (drbd_ee_cache) - kmem_cache_destroy(drbd_ee_cache); - if (drbd_request_cache) - kmem_cache_destroy(drbd_request_cache); - if (drbd_bm_ext_cache) - kmem_cache_destroy(drbd_bm_ext_cache); - if (drbd_al_ext_cache) - kmem_cache_destroy(drbd_al_ext_cache); + kmem_cache_destroy(drbd_ee_cache); + kmem_cache_destroy(drbd_request_cache); + kmem_cache_destroy(drbd_bm_ext_cache); + kmem_cache_destroy(drbd_al_ext_cache); drbd_ee_cache = NULL; drbd_request_cache = NULL; |