patch-2.4.12 linux/drivers/usb/serial/mct_u232.c

• Lines: 18
• Date: Wed Oct 10 23:42:47 2001
• Orig file: v2.4.11/linux/drivers/usb/serial/mct_u232.c
• Orig date: Sun Sep 23 11:41:00 2001

diff -u --recursive --new-file v2.4.11/linux/drivers/usb/serial/mct_u232.c linux/drivers/usb/serial/mct_u232.c
@@ -475,11 +475,12 @@
 	--port->open_count;
 
 	if (port->open_count <= 0) {
-		/* shutdown our bulk reads and writes */
-		usb_unlink_urb (port->write_urb);
-		usb_unlink_urb (port->read_urb);
-		/* wgg - do I need this? I think so. */
-		usb_unlink_urb (port->interrupt_in_urb);
+		if (port->serial->dev) {
+			/* shutdown our urbs */
+			usb_unlink_urb (port->write_urb);
+			usb_unlink_urb (port->read_urb);
+			usb_unlink_urb (port->interrupt_in_urb);
+		}
 		port->active = 0;
 	}