[Bluetooth] Disconnect HID interrupt channel first

The Bluetooth HID specification demands that the interrupt channel
shall be disconnected first. This is needed to pass the qualification
tests.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 03b5dad..b2d6da6 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -510,11 +510,11 @@
 	if (intr_sk->sk_state != BT_CONNECTED)
 		wait_event_timeout(*(ctrl_sk->sk_sleep), (ctrl_sk->sk_state == BT_CLOSED), HZ);
 
-	fput(session->ctrl_sock->file);
+	fput(session->intr_sock->file);
 
 	wait_event_timeout(*(intr_sk->sk_sleep), (intr_sk->sk_state == BT_CLOSED), HZ);
 
-	fput(session->intr_sock->file);
+	fput(session->ctrl_sock->file);
 
 	__hidp_unlink_session(session);