diff options
| -rw-r--r-- | net/ipv6/addrconf.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 31bdedc32bdd..ad235690684c 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2657,8 +2657,18 @@ static void init_loopback(struct net_device *dev) if (sp_ifa->flags & (IFA_F_DADFAILED | IFA_F_TENTATIVE)) continue; - if (sp_ifa->rt) - continue; + if (sp_ifa->rt) { + /* This dst has been added to garbage list when + * lo device down, release this obsolete dst and + * reallocate a new router for ifa. + */ + if (sp_ifa->rt->dst.obsolete > 0) { + ip6_rt_put(sp_ifa->rt); + sp_ifa->rt = NULL; + } else { + continue; + } + } sp_rt = addrconf_dst_alloc(idev, &sp_ifa->addr, false); |
