Commit 307da4b2 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

staging: comedi: ni_660x: (!foo) preferred over (foo == NULL) 



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 5effdf70

drivers/staging/comedi/drivers/ni_660x.c

+3 −3
Original line number Diff line number Diff line
@@ -702,7 +702,7 @@ static int ni_660x_request_mite_channel(struct comedi_device *dev, 
	BUG_ON(counter->mite_chan);

	mite_chan = mite_request_channel(devpriv->mite,

					 mite_ring(devpriv, counter));

	if (mite_chan == NULL) {

	if (!mite_chan) {

		spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);

		dev_err(dev->class_dev,

			"failed to reserve mite dma channel for counter\n");
@@ -861,7 +861,7 @@ static int ni_660x_alloc_mite_rings(struct comedi_device *dev) 
		for (j = 0; j < counters_per_chip; ++j) {

			devpriv->mite_rings[i][j] =

			    mite_alloc_ring(devpriv->mite);

			if (devpriv->mite_rings[i][j] == NULL)

			if (!devpriv->mite_rings[i][j])

				return -ENOMEM;

		}

	}
@@ -1107,7 +1107,7 @@ static int ni_660x_auto_attach(struct comedi_device *dev, 
						     ni_gpct_variant_660x,

						     ni_660x_num_counters

						     (dev));

	if (devpriv->counter_dev == NULL)

	if (!devpriv->counter_dev)

		return -ENOMEM;

	for (i = 0; i < NI_660X_MAX_NUM_COUNTERS; ++i) {

		s = &dev->subdevices[NI_660X_GPCT_SUBDEV(i)];