Commit 6e17d45a authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

net: add addr len check to dev_mc_add 



Signed-off-by: default avatarJiri Pirko <jpirko@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c79c5ffd

net/core/dev_mcast.c

+2 −0
Original line number Diff line number Diff line
@@ -96,6 +96,8 @@ int dev_mc_add(struct net_device *dev, void *addr, int alen, int glbl) 
	int err;



	netif_addr_lock_bh(dev);

	if (alen != dev->addr_len)

		return -EINVAL;

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

	if (!err)

		__dev_set_rx_mode(dev);

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