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>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index 211cb234f7a3..e5d80142b825 100644
--- 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;