From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Tue, 11 Oct 2011 02:01:02 +0000 (+0000)
Subject: ipv6: Remove superfluous NULL pointer check in ipv6_local_rxpmtu
X-Git-Tag: next-20111025~57^2~76
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c113464d4351591de8791c0cadfc165836e5a725;p=karo-tx-linux.git

ipv6: Remove superfluous NULL pointer check in ipv6_local_rxpmtu

The pointer to mtu_info is taken from the common buffer
of the skb, thus it can't be a NULL pointer. This patch
removes this check on mtu_info.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index b46e9f88ce37..e2480691c220 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -297,10 +297,6 @@ void ipv6_local_rxpmtu(struct sock *sk, struct flowi6 *fl6, u32 mtu)
 	ipv6_addr_copy(&iph->daddr, &fl6->daddr);
 
 	mtu_info = IP6CBMTU(skb);
-	if (!mtu_info) {
-		kfree_skb(skb);
-		return;
-	}
 
 	mtu_info->ip6m_mtu = mtu;
 	mtu_info->ip6m_addr.sin6_family = AF_INET6;