Commit e9671fcb authored by Joe Perches's avatar Joe Perches Committed by David S. Miller
Browse files

[NET]: Fix infinite loop in dev_mc_unsync(). 



From: Joe Perches <joe@perches.com>

Based upon an initial patch and report by Luis R. Rodriguez.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 03f49f34

net/core/dev_mcast.c

+7 −7
Original line number Diff line number Diff line
@@ -168,13 +168,13 @@ void dev_mc_unsync(struct net_device *to, struct net_device *from) 
	da = from->mc_list;

	while (da != NULL) {

		next = da->next;

		if (!da->da_synced)

			continue;

		if (da->da_synced) {

			__dev_addr_delete(&to->mc_list, &to->mc_count,

					  da->da_addr, da->da_addrlen, 0);

			da->da_synced = 0;

			__dev_addr_delete(&from->mc_list, &from->mc_count,

					  da->da_addr, da->da_addrlen, 0);

		}

		da = next;

	}

	__dev_set_rx_mode(to);