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staging: comedi: ni_6527: use dev->read_subdev in interrupt handler

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The comedi_subdevice in the interrupt handler is the dev->read_subdev
that was initialized during the attach. Use that instead of accessing
the dev->subdevices[] array directly.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-10-01 15:11:21 -07:00 • committed by Greg Kroah-Hartman
parent 33b73a35a2
commit 87fe6ebdfc
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/comedi/drivers/ni_6527.c
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@ -205,7 +205,7 @@ static irqreturn_t ni6527_interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
struct ni6527_private *devpriv = dev->private;
struct comedi_subdevice *s = &dev->subdevices[2];
struct comedi_subdevice *s = dev->read_subdev;
unsigned int status;
status = readb(devpriv->mite->daq_io_addr + Change_Status);