From 603f102f7887e742ae85939dad80e868c2e64885 Mon Sep 17 00:00:00 2001 From: Ioana Ciornei Date: Wed, 14 Oct 2015 21:14:14 +0300 Subject: [PATCH] staging: iio: adc: remove explicit comparison to NULL Use !condition instead off condition == NULL when comparing with NULL Signed-off-by: Ioana Ciornei Reviewed-by: Daniel Baluta Signed-off-by: Greg Kroah-Hartman --- drivers/staging/iio/adc/ad7192.c | 2 +- drivers/staging/iio/adc/ad7280a.c | 8 ++++---- drivers/staging/iio/adc/mxs-lradc.c | 2 +- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index 5ae7a50..6adac61 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -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); diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c index 6db764e6..01156c7 100644 --- a/drivers/staging/iio/adc/ad7280a.c +++ b/drivers/staging/iio/adc/ad7280a.c @@ -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); diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index f250aaf..407d4a2 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -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; -- 2.7.4