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| author | Samuel Ortiz <sameo@linux.intel.com> | 2012-07-05 17:43:08 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-07-09 22:42:25 +0200 |
| commit | fe3c094abc2365a226184554501fe0df87fe8271 (patch) | |
| tree | 3ea791d11ba5b992f53ea492967becfab7024686 /net/nfc | |
| parent | NFC: Add ISO 14443 type B protocol (diff) | |
| download | linux-fe3c094abc2365a226184554501fe0df87fe8271.tar.xz linux-fe3c094abc2365a226184554501fe0df87fe8271.zip | |
NFC: Check for llcp_sock and its device from llcp_sock_getname
They both can potentially be NULL.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
| -rw-r--r-- | net/nfc/llcp/sock.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 6152d05f8378..ddeb9aa398f0 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); |