Staging: iio: impedance-analyzer: Remove explicit NULL comparison

---
 drivers/staging/iio/impedance-analyzer/ad5933.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 7919439..c18109c 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -703,7 +703,7 @@ static int ad5933_probe(struct i2c_client *client,
 	struct iio_dev *indio_dev;
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*st));
-	if (indio_dev == NULL)
+	if (!indio_dev)
 		return -ENOMEM;
 
 	st = iio_priv(indio_dev);