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ipv4: Update MTU to all related cache entries in ip_rt_frag_needed()

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Add struct net_device parameter to ip_rt_frag_needed() and update MTU to
cache entries where ifindex is specified. This is similar to what is
already done in ip_rt_redirect().

Signed-off-by: Timo Teras <timo.teras@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Timo Teras 2008-04-29 03:32:25 -07:00 • committed by David S. Miller
commit 0010e46577
3 changed files with 25 additions and 18 deletions
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3
net/ipv4/icmp.c
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@ -691,7 +691,8 @@ static void icmp_unreach(struct sk_buff *skb)
NIPQUAD(iph->daddr));
} else {
info = ip_rt_frag_needed(net, iph,
ntohs(icmph->un.frag.mtu));
ntohs(icmph->un.frag.mtu),
skb->dev);
if (!info)
goto out;
}