We should use kfree_skb() instead of kfree() to free an skb.
Fixes: ad40c8cd4204 ("macvtap: switch to use skb array") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>