From 985538eee06f169bb13c7ecb1a7fcdeb700b05c7 Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Wed, 3 May 2017 14:50:40 +0100 Subject: [PATCH] net/sched: remove redundant null check on head head is previously null checked and so the 2nd null check on head is redundant and therefore can be removed. Detected by CoverityScan, CID#1399505 ("Logically dead code") Signed-off-by: Colin Ian King Acked-by: Jiri Pirko Signed-off-by: David S. Miller --- net/sched/cls_matchall.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c index 2efb36c08f2a..dee469fed967 100644 --- a/net/sched/cls_matchall.c +++ b/net/sched/cls_matchall.c @@ -203,8 +203,7 @@ static int mall_change(struct net *net, struct sk_buff *in_skb, *arg = (unsigned long) head; rcu_assign_pointer(tp->root, new); - if (head) - call_rcu(&head->rcu, mall_destroy_rcu); + call_rcu(&head->rcu, mall_destroy_rcu); return 0; err_replace_hw_filter: -- 2.20.1