Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/ni_660x.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_660x.c
b/drivers/staging/comedi/drivers/ni_660x.c
index 1e4dd82..9d7567b 100644
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -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)];
--
2.3.0
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