NFC: Keep socket alive until the DISC PDU is actually sent
This patch keeps the socket alive and therefore does not remove
it from the sockets list in the local until the DISC PDU has been
actually sent. Otherwise we would reply with DM PDUs before sending
the DISC one.
Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c
index 03fd316..47e7acf 100644
--- a/net/nfc/llcp_sock.c
+++ b/net/nfc/llcp_sock.c
@@ -626,6 +626,13 @@
release_sock(sk);
+ /* Keep this sock alive and therefore do not remove it from the sockets
+ * list until the DISC PDU has been actually sent. Otherwise we would
+ * reply with DM PDUs before sending the DISC one.
+ */
+ if (sk->sk_state == LLCP_DISCONNECTING)
+ return err;
+
if (sock->type == SOCK_RAW)
nfc_llcp_sock_unlink(&local->raw_sockets, sk);
else