[PATCH]error handling for mct_u232

Hi,

we report errors to the caller. THis patch adds error handling to the driver.

	Regards
		Oliver
SIgned-off-by: Oliver Neukum <[email protected]>
----

--- a/drivers/usb/serial/mct_u232.c	2007-03-29 10:31:42.000000000 +0200
+++ b/drivers/usb/serial/mct_u232.c	2007-03-29 10:40:32.000000000 +0200
@@ -438,17 +438,21 @@
 	if (retval) {
 		err("usb_submit_urb(read bulk) failed pipe 0x%x err %d",
 		    port->read_urb->pipe, retval);
-		goto exit;
+		goto error;
 	}
 
 	port->interrupt_in_urb->dev = port->serial->dev;
 	retval = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
-	if (retval)
+	if (retval) {
+		usb_kill_urb(port->read_urb);
 		err(" usb_submit_urb(read int) failed pipe 0x%x err %d",
 		    port->interrupt_in_urb->pipe, retval);
-
-exit:
+		goto error;
+	}
 	return 0;
+
+error:
+	return retval;
 } /* mct_u232_open */
 
 

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