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netns: fix ip_rt_frag_needed rt_is_expired

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Running recent kernels, and using a particular vpn gateway, I've been
having to edit my mails down to get them accepted by the smtp server.

Git bisect led to commit e84f84f276 -
netns: place rt_genid into struct net.  The conversion from a != test
to rt_is_expired() put one negative too many: and now my mail works.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Acked-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hugh Dickins 2008-07-26 17:51:06 -07:00 committed by David S. Miller
parent 6c64825bf4
commit 6c3b8fc618
1 changed files with 1 additions and 1 deletions
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net/ipv4/route.c
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@ -1502,7 +1502,7 @@ unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph,
rth->fl.iif != 0 ||
dst_metric_locked(&rth->u.dst, RTAX_MTU) ||
!net_eq(dev_net(rth->u.dst.dev), net) ||
!rt_is_expired(rth))
rt_is_expired(rth))
continue;
if (new_mtu < 68 || new_mtu >= old_mtu) {