netdev - [PATCH net-next] ipv6: Remove superfluous NULL pointer check in ipv6_local

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Message-ID: <20111011120102.GL1830@secunet.com>
Date:	Tue, 11 Oct 2011 14:01:02 +0200
From:	Steffen Klassert <steffen.klassert@...unet.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: [PATCH net-next] 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@...unet.com>
---
 net/ipv6/datagram.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index b46e9f8..e248069 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;
-- 
1.7.0.4

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