USB: fix error handling for mct_u232
we report errors to the caller. THis patch adds error handling to the driver.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 4cd839b..3db1adc 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -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 */