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Commit a6ec8245 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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USB: pl2303: add error handling to set_control_lines 



Add error handling to set_control_lines.

Signed-off-by: default avatarJohan Hovold <jhovold@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 362eb026

drivers/usb/serial/pl2303.c

+4 −3
Original line number Diff line number Diff line
@@ -269,12 +269,13 @@ static int pl2303_set_control_lines(struct usb_serial_port *port, u8 value) 
	struct usb_device *dev = port->serial->dev;

	int retval;



	dev_dbg(&port->dev, "%s - %02x\n", __func__, value);



	retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),

				 SET_CONTROL_REQUEST, SET_CONTROL_REQUEST_TYPE,

				 value, 0, NULL, 0, 100);



	dev_dbg(&port->dev, "%s - value = %d, retval = %d\n", __func__,

		value, retval);

	if (retval)

		dev_err(&port->dev, "%s - failed: %d\n", __func__, retval);



	return retval;

}