diff options
| -rw-r--r-- | net/ipv6/addrconf.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 6119ab33a56e..30ca73c78125 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3539,6 +3539,7 @@ static int addrconf_ifdown(struct net_device *dev, int how) struct list_head del_list; int _keep_addr; bool keep_addr; + bool was_ready; int state, i; ASSERT_RTNL(); @@ -3602,7 +3603,10 @@ restart: addrconf_del_rs_timer(idev); - /* Step 2: clear flags for stateless addrconf */ + /* Step 2: clear flags for stateless addrconf, repeated down + * detection + */ + was_ready = idev->if_flags & IF_READY; if (!how) idev->if_flags &= ~(IF_RS_SENT|IF_RA_RCVD|IF_READY); @@ -3689,7 +3693,7 @@ restart: if (how) { ipv6_ac_destroy_dev(idev); ipv6_mc_destroy_dev(idev); - } else { + } else if (was_ready) { ipv6_mc_down(idev); } |