From: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Date: Mon, 10 Sep 2012 22:09:46 +0000 (+0000)
Subject: ipv6: use net->rt_genid to check dst validity
X-Git-Tag: v3.6-rc7~10^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f3118b571b8a4c06c7985dc3172c3526cb86253;p=pandora-kernel.git

ipv6: use net->rt_genid to check dst validity

IPv6 dst should take care of rt_genid too. When a xfrm policy is inserted or
deleted, all dst should be invalidated.
To force the validation, dst entries should be created with ->obsolete set to
DST_OBSOLETE_FORCE_CHK. This was already the case for all functions calling
ip6_dst_alloc(), except for ip6_rt_copy().

As a consequence, we can remove the specific code in inet6_connection_sock.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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