forked from Minki/linux
net: add addr len check to dev_mc_add
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -96,6 +96,8 @@ int dev_mc_add(struct net_device *dev, void *addr, int alen, int glbl)
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int err;
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netif_addr_lock_bh(dev);
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if (alen != dev->addr_len)
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return -EINVAL;
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err = __dev_addr_add(&dev->mc_list, &dev->mc_count, addr, alen, glbl);
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if (!err)
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__dev_set_rx_mode(dev);
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