iio:adc:ad7923: Rewrite comparison to NULL

Solves checkpath.pl's message:

CHECK: Comparison to NULL could be written "!indio_dev"

Signed-off-by: Bárbara Fernandes <barbara.fernandes@usp.br>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c
index dbece44e26e4c28d63d47cd3bacac6e53172a2de..cb7b854df00c8d0331de6310cb9a56498429f843 100644 (file)
--- a/drivers/iio/adc/ad7923.c
+++ b/drivers/iio/adc/ad7923.c
@@ -272,7 +272,7 @@ static int ad7923_probe(struct spi_device *spi)
        int ret;
 
        indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
-       if (indio_dev == NULL)
+       if (!indio_dev)
                return -ENOMEM;
 
        st = iio_priv(indio_dev);