Am 14.09.2015 15:46, schrieb Mikulas Patocka: > > On Sun, 13 Sep 2015, Julia Lawall wrote: > >> > Remove unneeded NULL test. >> > >> > The semantic patch that makes this change is as follows: >> > (http://coccinelle.lip6.fr/) >> > >> > // <smpl> >> > @@ expression x; @@ >> > -if (x != NULL) >> > \(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x); >> > // </smpl> >> > >> > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> >> > >> > --- >> > drivers/md/dm-bufio.c | 3 +-- >> > drivers/md/dm-cache-target.c | 3 +-- >> > drivers/md/dm-crypt.c | 6 ++---- >> > drivers/md/dm-io.c | 3 +-- >> > drivers/md/dm-log-userspace-base.c | 3 +-- >> > drivers/md/dm-region-hash.c | 4 +--- >> > drivers/md/dm.c | 13 ++++--------- >> > 7 files changed, 11 insertions(+), 24 deletions(-) >> > >> > diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c >> > index 83cc52e..8ad39b6 100644 >> > --- a/drivers/md/dm-bufio.c >> > +++ b/drivers/md/dm-bufio.c >> > @@ -1864,8 +1864,7 @@ static void __exit dm_bufio_exit(void) >> > for (i = 0; i < ARRAY_SIZE(dm_bufio_caches); i++) { >> > struct kmem_cache *kc = dm_bufio_caches[i]; >> > >> > - if (kc) >> > - kmem_cache_destroy(kc); >> > + kmem_cache_destroy(kc); >> > } maybe you want to remove "kc" also by calling kmem_cache_destroy(dm_bufio_caches[i]); directly ? just a hint, wh -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel