@@ -327,8 +327,8 @@ static int max1027_read_raw(struct iio_dev *indio_dev,
}
static int max1027_debugfs_reg_access(struct iio_dev *indio_dev,
- unsigned reg, unsigned writeval,
- unsigned *readval)
+ unsigned int reg, unsigned int writeval,
+ unsigned int *readval)
{
struct max1027_state *st = iio_priv(indio_dev);
u8 *val = (u8 *)st->buffer;
@@ -424,7 +424,7 @@ static int max1027_probe(struct spi_device *spi)
pr_debug("%s: probe(spi = 0x%p)\n", __func__, spi);
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
- if (indio_dev == NULL) {
+ if (!indio_dev) {
pr_err("Can't allocate iio device\n");
return -ENOMEM;
}
@@ -443,9 +443,9 @@ static int max1027_probe(struct spi_device *spi)
indio_dev->available_scan_masks = st->info->available_scan_masks;
st->buffer = devm_kmalloc_array(&indio_dev->dev,
- indio_dev->num_channels, 2,
- GFP_KERNEL);
- if (st->buffer == NULL) {
+ indio_dev->num_channels, 2,
+ GFP_KERNEL);
+ if (!st->buffer) {
dev_err(&indio_dev->dev, "Can't allocate buffer\n");
return -ENOMEM;
}
@@ -462,7 +462,7 @@ static int max1027_probe(struct spi_device *spi)
st->trig = devm_iio_trigger_alloc(&spi->dev, "%s-trigger",
indio_dev->name);
- if (st->trig == NULL) {
+ if (!st->trig) {
ret = -ENOMEM;
dev_err(&indio_dev->dev,
"Failed to allocate iio trigger\n");
Follow checkpatch.pl's main advices before hacking into the driver, mainly: WARNING: Prefer 'unsigned int' to bare use of 'unsigned' WARNING: Prefer 'unsigned int *' to bare use of 'unsigned *' CHECK: Comparison to NULL could be written "!foo" CHECK: Alignment should match open parenthesis Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> --- drivers/iio/adc/max1027.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-)