netdev - Stable backport needed for "net: don't call update

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Date:   Wed, 28 Mar 2018 18:37:36 -0400
From:   Benjamin Gilbert <benjamin.gilbert@...eos.com>
To:     Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Stable backport needed for "net: don't call update_pmtu
 unconditionally"

Hi,

f15ca723c1 ("net: don't call update_pmtu unconditionally") fixes NULL derefs
caused by a93bf0ff4490 ("vxlan: update skb dst pmtu on tx path"), which was
backported to 4.14.24.  We've received reports of panics with Open vSwitch
and Weave through 4.14.30 (https://github.com/coreos/bugs/issues/2382) and
at least the latter is resolved by backporting the patch.

Thanks,
--Benjamin Gilbert