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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>
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2f007de2f4
@ -438,17 +438,21 @@ static int mct_u232_open (struct usb_serial_port *port, struct file *filp)
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if (retval) {
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err("usb_submit_urb(read bulk) failed pipe 0x%x err %d",
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port->read_urb->pipe, retval);
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goto exit;
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goto error;
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}
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port->interrupt_in_urb->dev = port->serial->dev;
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retval = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
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if (retval)
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if (retval) {
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usb_kill_urb(port->read_urb);
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err(" usb_submit_urb(read int) failed pipe 0x%x err %d",
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port->interrupt_in_urb->pipe, retval);
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exit:
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goto error;
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}
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return 0;
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error:
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return retval;
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} /* mct_u232_open */
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