From fe3c094abc2365a226184554501fe0df87fe8271 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 5 Jul 2012 17:43:08 +0200 Subject: NFC: Check for llcp_sock and its device from llcp_sock_getname They both can potentially be NULL. Signed-off-by: Samuel Ortiz --- net/nfc/llcp/sock.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net/nfc') diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 6152d05f837..ddeb9aa398f 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -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); -- cgit v1.2.3