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

Signed-off-by: H Hartley Sweeten <[email protected]>
Cc: Ian Abbott <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
---
 drivers/staging/comedi/drivers/das16m1.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/das16m1.c 
b/drivers/staging/comedi/drivers/das16m1.c
index 02f52eb..d5f26c9 100644
--- a/drivers/staging/comedi/drivers/das16m1.c
+++ b/drivers/staging/comedi/drivers/das16m1.c
@@ -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);
-- 
1.8.1.4

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