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Herbert Xu authored
The commit 3cdaa5be ("ipv4: Don't increase PMTU with Datagram Too Big message") broke PMTU in cases where the rt_pmtu value has expired but is smaller than the new PMTU value. This obsolete rt_pmtu then prevents the new PMTU value from being installed. Fixes: 3cdaa5be ("ipv4: Don't increase PMTU with Datagram Too Big message") Reported-by:
Gerd v. Egidy <gerd.von.egidy@intra2net.com> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
David S. Miller <davem@davemloft.net>
cb6ccf09