NFC: Forbid LLCP service name reusing

This patch fixes a typo and return the correct error when trying to
bind 2 sockets to the same service name.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index 211cb23..e5d8014 100644 (file)
--- a/net/nfc/llcp/sock.c
+++ b/net/nfc/llcp/sock.c
@@ -121,8 +121,10 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
                                          GFP_KERNEL);
 
        llcp_sock->ssap = nfc_llcp_get_sdp_ssap(local, llcp_sock);
-       if (llcp_sock->ssap == LLCP_MAX_SAP)
+       if (llcp_sock->ssap == LLCP_SAP_MAX) {
+               ret = -EADDRINUSE;
                goto put_dev;
+       }
 
        llcp_sock->reserved_ssap = llcp_sock->ssap;