From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Wed, 4 Mar 2015 19:15:37 +0000 (-0700)
Subject: staging: comedi: ni_pcidio: (!foo) preferred over (foo == NULL)
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=4ce82def8da5787d8661fa5f7d5f7c899b5a20d9;p=deliverable%2Flinux.git

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

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>
---

diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c
index db399fe8c301..8d91029c7d30 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -304,7 +304,7 @@ static int ni_pcidio_request_di_mite_channel(struct comedi_device *dev)
 	devpriv->di_mite_chan =
 	    mite_request_channel_in_range(devpriv->mite,
 					  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);
 		dev_err(dev->class_dev, "failed to reserve mite dma channel\n");
 		return -EBUSY;
@@ -924,7 +924,7 @@ static int nidio_auto_attach(struct comedi_device *dev,
 		return ret;
 
 	devpriv->di_mite_ring = mite_alloc_ring(devpriv->mite);
-	if (devpriv->di_mite_ring == NULL)
+	if (!devpriv->di_mite_ring)
 		return -ENOMEM;
 
 	if (board->uses_firmware) {