From: Li Wei <lw@cn.fujitsu.com>
Date: Thu, 29 Jan 2015 08:09:03 +0000 (+0800)
Subject: ipv4: Don't increase PMTU with Datagram Too Big message.
X-Git-Tag: fixes-v4.0-rc1~200^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3cdaa5be9e81;p=pandora-kernel.git

ipv4: Don't increase PMTU with Datagram Too Big message.

RFC 1191 said, "a host MUST not increase its estimate of the Path
MTU in response to the contents of a Datagram Too Big message."

Signed-off-by: Li Wei <lw@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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