NFC: llcp: Only keep raw sockets alive when the LLCP local leaves

When the MAC goes down, connected and connection less sockets should be
notified, but raw sockets should be kept alive.
They will get notified only when the physical devices goes away.

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

1 files changed, 3 insertions, 23 deletions

diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index 83e788e840a0..99ec39d6e937 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -76,7 +76,7 @@ static void nfc_llcp_socket_purge(struct nfc_llcp_sock *sock)
 	}
 }
 
-static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
+static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool device,
 				    int err)
 {
 	struct sock *sk;
@@ -116,23 +116,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
 
 				bh_unlock_sock(accept_sk);
 			}
-
-			if (listen == true) {
-				nfc_llcp_socket_remote_param_init(llcp_sock);
-				bh_unlock_sock(sk);
-				continue;
-			}
-		}
-
-		/*
-		 * If we have a connection less socket bound, we keep it alive
-		 * if the device is still present.
-		 */
-		if (sk->sk_state == LLCP_BOUND && sk->sk_type == SOCK_DGRAM &&
-		    listen == true) {
-			nfc_llcp_socket_remote_param_init(llcp_sock);
-			bh_unlock_sock(sk);
-			continue;
 		}
 
 		if (err)
@@ -147,11 +130,8 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
 
 	write_unlock(&local->sockets.lock);
 
-	/*
-	 * If we want to keep the listening sockets alive,
-	 * we don't touch the RAW ones.
-	 */
-	if (listen == true)
+	/* If we still have a device, we keep the RAW sockets alive */
+	if (device == true)
 		return;
 
 	write_lock(&local->raw_sockets.lock);