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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@ens-lyon.org>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Benoit Boissinot 2008-04-02 00:00:58 -07:00 committed by David S. Miller
parent 1905f6c736
commit c6fbfac2e6
1 changed files with 3 additions and 0 deletions
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3
net/ipv6/addrconf.c
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@ -1831,6 +1831,9 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
* 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 &&