Commit c66433dc authored by Samuel Ortiz's avatar Samuel Ortiz Committed by John W. Linville
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NFC: Dereference LLCP bind socket address after checking for it to be NULL 



Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent a831b913

net/nfc/llcp/sock.c

+2 −2
Original line number Diff line number Diff line
@@ -78,11 +78,11 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen) 
	struct sockaddr_nfc_llcp llcp_addr;

	int len, ret = 0;



	pr_debug("sk %p addr %p family %d\n", sk, addr, addr->sa_family);



	if (!addr || addr->sa_family != AF_NFC)

		return -EINVAL;



	pr_debug("sk %p addr %p family %d\n", sk, addr, addr->sa_family);



	memset(&llcp_addr, 0, sizeof(llcp_addr));

	len = min_t(unsigned int, sizeof(llcp_addr), alen);

	memcpy(&llcp_addr, addr, len);