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Commit 4ce82def authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: ni_pcidio: (!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 c1bce7fd

drivers/staging/comedi/drivers/ni_pcidio.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -304,7 +304,7 @@ static int ni_pcidio_request_di_mite_channel(struct comedi_device *dev) 
	devpriv->di_mite_chan =

	devpriv->di_mite_chan =

	    mite_request_channel_in_range(devpriv->mite,

	    mite_request_channel_in_range(devpriv->mite,

					  devpriv->di_mite_ring, 1, 2);

					  devpriv->di_mite_ring, 1, 2);

	if (devpriv->di_mite_chan == NULL) {

	if (!devpriv->di_mite_chan) {

		spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);

		spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);

		dev_err(dev->class_dev, "failed to reserve mite dma channel\n");

		dev_err(dev->class_dev, "failed to reserve mite dma channel\n");

		return -EBUSY;

		return -EBUSY;
@@ -924,7 +924,7 @@ static int nidio_auto_attach(struct comedi_device *dev, 
		return ret;

		return ret;





	devpriv->di_mite_ring = mite_alloc_ring(devpriv->mite);

	devpriv->di_mite_ring = mite_alloc_ring(devpriv->mite);

	if (devpriv->di_mite_ring == NULL)

	if (!devpriv->di_mite_ring)

		return -ENOMEM;

		return -ENOMEM;





	if (board->uses_firmware) {

	if (board->uses_firmware) {