diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 4c4466f18801..063d8aaf2900 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -1473,7 +1473,7 @@ static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n,
 {
 	struct net *net = sock_net(skb->sk);
 	struct nlattr *tca[TCA_ROOT_MAX + 1];
-	u32 portid = skb ? NETLINK_CB(skb).portid : 0;
+	u32 portid = NETLINK_CB(skb).portid;
 	int ret = 0, ovr = 0;
 
 	if ((n->nlmsg_type != RTM_GETACTION) &&