Commit 9fc95f50 authored Jul 30, 2020 by Miaohe Lin Committed by David S. Miller Jul 31, 2020

net: Pass NULL to skb_network_protocol() when we don't care about vlan depth



When we don't care about vlan depth, we could pass NULL instead of the
address of a unused local variable to skb_network_protocol() as a param.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 83a33b24

net/core/dev.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -3454,10 +3454,9 @@ static netdev_features_t net_mpls_features(struct sk_buff *skb,
		static netdev_features_t harmonize_features(struct sk_buff *skb,
		netdev_features_t features)
		{
		int tmp;
		__be16 type;

		type = skb_network_protocol(skb, &tmp);
		type = skb_network_protocol(skb, NULL);
		features = net_mpls_features(skb, features, type);

		if (skb->ip_summed != CHECKSUM_NONE &&

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