staging: iio: resolver: fix comparison to NULL

Remove comparison of spi->dev.platform_data to NULL by replacing it with
'!spi->dev.platform_data' as checkpatch suggested:

CHECK: Comparison to NULL could be written "!spi->dev.platform_data"

Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
index 477df95..6b99263 100644 (file)
--- a/drivers/staging/iio/resolver/ad2s1210.c
+++ b/drivers/staging/iio/resolver/ad2s1210.c
@@ -675,7 +675,7 @@ static int ad2s1210_probe(struct spi_device *spi)
        struct ad2s1210_state *st;
        int ret;
 
-       if (spi->dev.platform_data == NULL)
+       if (!spi->dev.platform_data)
                return -EINVAL;
 
        indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));