diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index fdbfeca36d63..344e972426df 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1103,8 +1103,11 @@ retry: * Lifetime is greater than REGEN_ADVANCE time units. In particular, * an implementation must not create a temporary address with a zero * Preferred Lifetime. + * Use age calculation as in addrconf_verify to avoid unnecessary + * temporary addresses being generated. */ - if (tmp_prefered_lft <= regen_advance) { + age = (now - tmp_tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; + if (tmp_prefered_lft <= regen_advance + age) { in6_ifa_put(ifp); in6_dev_put(idev); ret = -1;