[PATCH] iio: imu: Check sscanf return value

[Roberta Dobrescu]

This patch fixes the following checkpatch.pl warning:
WARNING: unchecked sscanf return value

Signed-off-by: Roberta Dobrescu <roberta.dobrescu at gmail.com>
---
 drivers/iio/imu/adis16400_core.c | 4 +++-
 drivers/iio/imu/adis16480.c      | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c
index b70873d..12fe737 100644
--- a/drivers/iio/imu/adis16400_core.c
+++ b/drivers/iio/imu/adis16400_core.c
@@ -285,7 +285,9 @@ static int adis16400_initial_setup(struct iio_dev *indio_dev)
 		if (ret)
 			goto err_ret;
 
-		sscanf(indio_dev->name, "adis%u\n", &device_id);
+		ret = sscanf(indio_dev->name, "adis%u\n", &device_id);
+		if (ret != 1)
+			return -EINVAL;
 
 		if (prod_id != device_id)
 			dev_warn(&indio_dev->dev, "Device ID(%u) and product ID(%u) do not match.",
diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c
index 989605d..715973b 100644
--- a/drivers/iio/imu/adis16480.c
+++ b/drivers/iio/imu/adis16480.c
@@ -738,7 +738,9 @@ static int adis16480_initial_setup(struct iio_dev *indio_dev)
 	if (ret)
 		return ret;
 
-	sscanf(indio_dev->name, "adis%u\n", &device_id);
+	ret = sscanf(indio_dev->name, "adis%u\n", &device_id);
+	if (ret != 1)
+		return -EINVAL;
 
 	if (prod_id != device_id)
 		dev_warn(&indio_dev->dev, "Device ID(%u) and product ID(%u) do not match.",
-- 
1.9.1