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Commit 603f102f authored by Ioana Ciornei's avatar Ioana Ciornei Committed by Greg Kroah-Hartman
Browse files

staging: iio: adc: remove explicit comparison to NULL 



Use !condition instead off condition == NULL when comparing with NULL

Signed-off-by: default avatarIoana Ciornei <ciorneiioana@gmail.com>
Reviewed-by: default avatarDaniel Baluta <daniel.baluta@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e8ef49f0

drivers/staging/iio/adc/ad7192.c

+1 −1
Original line number Diff line number Diff line
@@ -626,7 +626,7 @@ static int ad7192_probe(struct spi_device *spi) 
	}



	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));

	if (indio_dev == NULL)

	if (!indio_dev)

		return -ENOMEM;



	st = iio_priv(indio_dev);

drivers/staging/iio/adc/ad7280a.c

+4 −4
Original line number Diff line number Diff line
@@ -488,7 +488,7 @@ static int ad7280_channel_init(struct ad7280_state *st) 


	st->channels = kcalloc((st->slave_num + 1) * 12 + 2,

			       sizeof(*st->channels), GFP_KERNEL);

	if (st->channels == NULL)

	if (!st->channels)

		return -ENOMEM;



	for (dev = 0, cnt = 0; dev <= st->slave_num; dev++)
@@ -550,7 +550,7 @@ static int ad7280_attr_init(struct ad7280_state *st) 
	st->iio_attr = kcalloc(2, sizeof(*st->iio_attr) *

			       (st->slave_num + 1) * AD7280A_CELLS_PER_DEV,

			       GFP_KERNEL);

	if (st->iio_attr == NULL)

	if (!st->iio_attr)

		return -ENOMEM;



	for (dev = 0, cnt = 0; dev <= st->slave_num; dev++)
@@ -687,7 +687,7 @@ static irqreturn_t ad7280_event_handler(int irq, void *private) 
	int i, ret;



	channels = kcalloc(st->scan_cnt, sizeof(*channels), GFP_KERNEL);

	if (channels == NULL)

	if (!channels)

		return IRQ_HANDLED;



	ret = ad7280_read_all_channels(st, st->scan_cnt, channels);
@@ -842,7 +842,7 @@ static int ad7280_probe(struct spi_device *spi) 
	struct iio_dev *indio_dev;



	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));

	if (indio_dev == NULL)

	if (!indio_dev)

		return -ENOMEM;



	st = iio_priv(indio_dev);

drivers/staging/iio/adc/mxs-lradc.c

+1 −1
Original line number Diff line number Diff line
@@ -1232,7 +1232,7 @@ static int mxs_lradc_trigger_init(struct iio_dev *iio) 
	struct mxs_lradc *lradc = iio_priv(iio);



	trig = iio_trigger_alloc("%s-dev%i", iio->name, iio->id);

	if (trig == NULL)

	if (!trig)

		return -ENOMEM;



	trig->dev.parent = lradc->dev;