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Commit 3041f517 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

net: Fix dev_mc_add() 



Commit 6e17d45a (net: add addr len check to dev_mc_add)
added a bug in dev_mc_add(), since it can now exit with a lock
imbalance.

Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
CC: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0a141509

net/core/dev_mcast.c

+3 −2
Original line number Diff line number Diff line
@@ -97,7 +97,8 @@ int dev_mc_add(struct net_device *dev, void *addr, int alen, int glbl) 


	netif_addr_lock_bh(dev);

	if (alen != dev->addr_len)

		return -EINVAL;

		err = -EINVAL;

	else

		err = __dev_addr_add(&dev->mc_list, &dev->mc_count, addr, alen, glbl);

	if (!err)

		__dev_set_rx_mode(dev);