dm cache policy mq: use list_del_init instead of list_del + INIT_LIST_HEAD

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c
index 64780ad..7f1aaa3 100644 (file)
--- a/drivers/md/dm-cache-policy-mq.c
+++ b/drivers/md/dm-cache-policy-mq.c
@@ -287,9 +287,8 @@ static struct entry *alloc_entry(struct entry_pool *ep)
 static struct entry *alloc_particular_entry(struct entry_pool *ep, dm_cblock_t cblock)
 {
        struct entry *e = ep->entries + from_cblock(cblock);
-       list_del(&e->list);
 
-       INIT_LIST_HEAD(&e->list);
+       list_del_init(&e->list);
        INIT_HLIST_NODE(&e->hlist);
        ep->nr_allocated++;