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NFC: Check for llcp_sock and its device from llcp_sock_getname

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They both can potentially be NULL.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Samuel Ortiz 2012-07-05 17:43:08 +02:00 committed by John W. Linville
parent 01d719a228
commit fe3c094abc
1 changed files with 3 additions and 0 deletions
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3
net/nfc/llcp/sock.c
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@ -294,6 +294,9 @@ static int llcp_sock_getname(struct socket *sock, struct sockaddr *uaddr,
struct nfc_llcp_sock *llcp_sock = nfc_llcp_sock(sk);
DECLARE_SOCKADDR(struct sockaddr_nfc_llcp *, llcp_addr, uaddr);
if (llcp_sock == NULL || llcp_sock->dev == NULL)
return -EBADFD;
pr_debug("%p %d %d %d\n", sk, llcp_sock->target_idx,
llcp_sock->dsap, llcp_sock->ssap);