linux-kernel - [PATCH 3.13 39/65] netpoll: fix the skb check in pkt_is

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Date:	Fri, 11 Apr 2014 09:11:11 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Li RongQing <roy.qing.li@...il.com>,
	WANG Cong <amwang@...hat.com>
Subject: [PATCH 3.13 39/65] netpoll: fix the skb check in pkt_is_ns

3.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Li RongQing <roy.qing.li@...il.com>

[ Not applicable upstream commit, the code here has been removed
  upstream. ]

Neighbor Solicitation is ipv6 protocol, so we should check
skb->protocol with ETH_P_IPV6

Signed-off-by: Li RongQing <roy.qing.li@...il.com>
Cc: WANG Cong <amwang@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/core/netpoll.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -742,7 +742,7 @@ static bool pkt_is_ns(struct sk_buff *sk
 	struct nd_msg *msg;
 	struct ipv6hdr *hdr;
 
-	if (skb->protocol != htons(ETH_P_ARP))
+	if (skb->protocol != htons(ETH_P_IPV6))
 		return false;
 	if (!pskb_may_pull(skb, sizeof(struct ipv6hdr) + sizeof(struct nd_msg)))
 		return false;


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