From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 26 Jun 2010 11:37:47 +0000 (+0000)
Subject: ipv6: Clamp reported valid_lft to a minimum of 0
X-Git-Tag: v2.6.36-rc1~571^2~407
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f56619fc72407561b00c52244a2caa53d730bc4a;p=pandora-kernel.git

ipv6: Clamp reported valid_lft to a minimum of 0

Since addresses are only revalidated every 2 minutes, the reported
valid_lft can underflow shortly before the address is deleted.
Clamp it to a minimum of 0, as for prefered_lft.

Reported-by: Piotr Lewandowski <piotr.lewandowski@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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