netdev - [PATCH 1 of 2] IPv6: only update the lifetime of the relevant temporary address

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Message-Id: <0c33481968e0b6b8efd7.1207091340@pirzuine>
Date:	Wed, 02 Apr 2008 01:09:00 +0200
From:	Benoit Boissinot <benoit.boissinot@...-lyon.org>
To:	netdev@...r.kernel.org
Cc:	pekkas@...core.fi, yoshfuji@...ux-ipv6.org
Subject: [PATCH 1 of 2] IPv6: only update the lifetime of the relevant
	temporary address

IPv6: only update the lifetime of the relevant temporary address

When receiving a prefix information from a routeur, only update the lifetimes
of the temporary address associated with that prefix.
Otherwise if one deprecated prefix is advertized, all your temporary addresses
will become deprecated.

Signed-off-by: Benoit Boissinot <benoit.boissinot@...-lyon.org>

diff -r a3c03e70c69f -r 0c33481968e0 net/ipv6/addrconf.c
--- a/net/ipv6/addrconf.c	Wed Apr 02 00:45:29 2008 +0200
+++ b/net/ipv6/addrconf.c	Sat Mar 22 00:41:39 2008 +0100
@@ -1831,6 +1831,9 @@
 				 * lifetimes of an existing temporary address
 				 * when processing a Prefix Information Option.
 				 */
+				if (ifp != ift->ifpub)
+					continue;
+
 				spin_lock(&ift->lock);
 				flags = ift->flags;
 				if (ift->valid_lft > valid_lft &&
--
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