netdev - [PATCH net-next 2/6] netfilter: nft_inner: fix return value check in nft_inner_parse

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Date:   Mon, 14 Nov 2022 11:41:02 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org, kuba@...nel.org,
        pabeni@...hat.com, edumazet@...gle.com
Subject: [PATCH net-next 2/6] netfilter: nft_inner: fix return value check in nft_inner_parse_l2l3()

From: Peng Wu <wupeng58@...wei.com>

In nft_inner_parse_l2l3(), the return value of skb_header_pointer() is
'veth' instead of 'eth' when case 'htons(ETH_P_8021Q)' and fix it.

Fixes: 3a07327d10a0 ("netfilter: nft_inner: support for inner tunnel header matching")
Signed-off-by: Peng Wu <wupeng58@...wei.com>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/netfilter/nft_inner.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/nft_inner.c b/net/netfilter/nft_inner.c
index eae7caeff316..809f0d0787ec 100644
--- a/net/netfilter/nft_inner.c
+++ b/net/netfilter/nft_inner.c
@@ -72,7 +72,7 @@ static int nft_inner_parse_l2l3(const struct nft_inner *priv,
 			break;
 		case htons(ETH_P_8021Q):
 			veth = skb_header_pointer(pkt->skb, off, sizeof(_veth), &_veth);
-			if (!eth)
+			if (!veth)
 				return -1;
 
 			outer_llproto = veth->h_vlan_encapsulated_proto;
-- 
2.30.2