From: Herbert Xu <herb...@gondor.apana.org.au>
Date: Tue, 28 Apr 2015 11:43:15 +0800
> Subject: route: Use ipv4_mtu instead of raw rt_pmtu
>
> The commit 3cdaa5be9e81a914e633a6be7b7d2ef75b528562 ("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: 3cdaa5be9e81 ("ipv4: Don't increase PMTU with Datagram Too Big
> message")
> Reported-by: Gerd v. Egidy <gerd.von.eg...@intra2net.com>
> Signed-off-by: Herbert Xu <herb...@gondor.apana.org.au>
Applied and queued up for -stable, thanks!
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