netdev - [net-next fragmentation icmp v3 2/4] IPv4: skip ICMP for bridge contrack users when defrag expires

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Message-Id: <1431059199-7139-3-git-send-email-azhou@nicira.com>
Date:	Thu,  7 May 2015 21:26:37 -0700
From:	Andy Zhou <azhou@...ira.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, Andy Zhou <azhou@...ira.com>
Subject: [net-next fragmentation icmp v3 2/4] IPv4: skip ICMP for bridge contrack users when defrag expires

users in [IP_DEFRAG_CONNTRACK_BRIDGE_IN, __IP_DEFRAG_CONNTRACK_BR_IN]
should not ICMP message also.

Reported-by: Florian Westphal <fw@...len.de>
Signed-off-by: Andy Zhou <azhou@...ira.com>
---
 net/ipv4/ip_fragment.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 429cefa..3061ca8 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -177,7 +177,9 @@ static bool frag_expire_skip_icmp(u32 user)
 {
 	return (user == IP_DEFRAG_AF_PACKET ||
 		ip_defrag_user_in_between(user, IP_DEFRAG_CONNTRACK_IN,
-					  __IP_DEFRAG_CONNTRACK_IN_END));
+					  __IP_DEFRAG_CONNTRACK_IN_END) ||
+		ip_defrag_user_in_between(user, IP_DEFRAG_CONNTRACK_BRIDGE_IN,
+					  __IP_DEFRAG_CONNTRACK_BRIDGE_IN));
 }
 
 /*
-- 
1.9.1

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