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Commit 8f27ebb9 authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki Committed by David S. Miller
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[IPV6] ADDRCONF: Do not verify an address with infinity lifetime 



We also do not try regenarating new temporary address corresponding to an
address with infinite preferred lifetime.

Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
parent 0778769d

net/ipv6/addrconf.c

+5 −1
Original line number Diff line number Diff line
@@ -2797,12 +2797,16 @@ static void addrconf_verify(unsigned long foo) 
					ifp->idev->nd_parms->retrans_time / HZ;

#endif



			if (age >= ifp->valid_lft) {

			if (ifp->valid_lft != INFINITY_LIFE_TIME &&

			    age >= ifp->valid_lft) {

				spin_unlock(&ifp->lock);

				in6_ifa_hold(ifp);

				read_unlock(&addrconf_hash_lock);

				ipv6_del_addr(ifp);

				goto restart;

			} else if (ifp->prefered_lft == INFINITY_LIFE_TIME) {

				spin_unlock(&ifp->lock);

				continue;

			} else if (age >= ifp->prefered_lft) {

				/* jiffies - ifp->tsamp > age >= ifp->prefered_lft */

				int deprecate = 0;