diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
index 477df95af859ccbfc9ed15277cd80a2cd77d642b..6b992634f009da29d84cd60d97f1c590803eaf0f 100644
--- 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));