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USB: fix error handling for mct_u232

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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>
This commit is contained in:
Oliver Neukum 2007-03-29 10:45:17 +02:00 committed by Greg Kroah-Hartman
parent 9306fff17d
commit 2f007de2f4
1 changed files with 8 additions and 4 deletions
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12
drivers/usb/serial/mct_u232.c
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@ -438,17 +438,21 @@ static int mct_u232_open (struct usb_serial_port *port, struct file *filp)
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 */