[IPV6]: Fix ref count bug in MLDv2, test idev->dead instead of IFF_UP.

6cb49a2c · Krishna Kumar · David S. Miller · b74230be · 6cb49a2c
Commit 6cb49a2c authored Nov 12, 2003 by Krishna Kumar Committed by David S. Miller Nov 12, 2003
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net/ipv6/mcast.c net/ipv6/mcast.c +1 -1

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--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -664,7 +664,7 @@ static void igmp6_group_dropped(struct ifmcaddr6 *mc)
 		goto done;
 	spin_unlock_bh(&mc->mca_lock);
-	if (dev->flags&IFF_UP)
+	if (!mc->idev->dead)
 		igmp6_leave_group(mc);
 	spin_lock_bh(&mc->mca_lock);