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The sockaddr_nfc_llcp struct has as hole between ->sa_family and ->dev_idx so I've added a memset() to clear it and prevent an information leak. Also the ->nfc_protocol element wasn't set so I've added that. "uaddr->sa_family" and "llcp_addr->sa_family" are the same thing but it's less confusing to use llcp_addr consistently throughout. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>