From: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Date: Mon, 19 May 2008 23:54:29 +0000 (-0700)
Subject: ipv6 addrconf: Fix route lifetime setting in corner case.
X-Git-Tag: v2.6.26-rc4~91^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a3264435b4ca1ccee54cbef2970f2ba4bef39e2d;p=pandora-kernel.git

ipv6 addrconf: Fix route lifetime setting in corner case.

Because of arithmetic overflow avoidance, the actual lifetime setting
(vs the value given by RA) did not increase monotonically around
0x7fffffff/HZ.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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