From: Breno Leitao <leitao@linux.vnet.ibm.com>
Date: Wed, 3 Sep 2008 00:28:58 +0000 (-0700)
Subject: ipv: Re-enable IP when MTU > 68
X-Git-Tag: v2.6.27-rc6~49^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=06770843c2f0f929a6e0c758dc433902a01aabfb;p=pandora-kernel.git

ipv: Re-enable IP when MTU > 68

Re-enable IP when the MTU gets back to a valid size.

This patch just checks if the in_dev is NULL on a NETDEV_CHANGEMTU event
and if MTU is valid (bigger than 68), then re-enable in_dev.

Also a function that checks valid MTU size was created.

Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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