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ipv4: Explicitly compute net in ip_fragment

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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman 2015-09-15 20:04:00 -05:00 committed by David S. Miller
parent 26a949dbd5
commit 9479b0af48
1 changed files with 2 additions and 3 deletions
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5
net/ipv4/ip_output.c
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@ -500,10 +500,9 @@ static int ip_fragment(struct sock *sk, struct sk_buff *skb,
if (unlikely(!skb->ignore_df ||
(IPCB(skb)->frag_max_size &&
IPCB(skb)->frag_max_size > mtu))) {
struct rtable *rt = skb_rtable(skb);
struct net_device *dev = rt->dst.dev;
struct net *net = dev_net(skb_rtable(skb)->dst.dev);
IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGFAILS);
IP_INC_STATS(net, IPSTATS_MIB_FRAGFAILS);
icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
htonl(mtu));
kfree_skb(skb);