Commit de6843be authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso
Browse files

netfilter: nft_payload: rebuild vlan header when needed 



Skip rebuilding the vlan header when accessing destination and source
mac address.

Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent 4f325e26

net/netfilter/nft_payload.c

+2 −1
Original line number Diff line number Diff line
@@ -171,7 +171,8 @@ void nft_payload_eval(const struct nft_expr *expr, 
		if (!skb_mac_header_was_set(skb))

			goto err;



		if (skb_vlan_tag_present(skb)) {

		if (skb_vlan_tag_present(skb) &&

		    priv->offset >= offsetof(struct ethhdr, h_proto)) {

			if (!nft_payload_copy_vlan(dest, skb,

						   priv->offset, priv->len))

				goto err;