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Commit 4b3fb0ff authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: das16m1: check for subdev_8255_init() failure 



Make sure to check if subdev_8255_init() fails and propogate the
error code.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a0b4bccc

drivers/staging/comedi/drivers/das16m1.c

+3 −1
Original line number Diff line number Diff line
@@ -648,7 +648,9 @@ static int das16m1_attach(struct comedi_device *dev, 


	s = &dev->subdevices[3];

	/* 8255 */

	subdev_8255_init(dev, s, NULL, devpriv->extra_iobase);

	ret = subdev_8255_init(dev, s, NULL, devpriv->extra_iobase);

	if (ret)

		return ret;



	/*  disable upper half of hardware conversion counter so it doesn't mess with us */

	outb(TOTAL_CLEAR, dev->iobase + DAS16M1_8254_FIRST_CNTRL);