[PATCH] iio: adis16400: Fix an error code in adis16400_initial_setup()

From: Dan Carpenter
Date: Tue Feb 16 2021 - 14:43:35 EST


This is to silence a new Smatch warning:

drivers/iio/imu/adis16400.c:492 adis16400_initial_setup()
warn: sscanf doesn't return error codes

If the condition "if (st->variant->flags & ADIS16400_HAS_SLOW_MODE) {"
is false then we return 1 instead of returning 0 and probe will fail.

Fixes: 72a868b38bdd ("iio: imu: check sscanf return value")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/iio/imu/adis16400.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/iio/imu/adis16400.c b/drivers/iio/imu/adis16400.c
index 54af2ed664f6..785a4ce606d8 100644
--- a/drivers/iio/imu/adis16400.c
+++ b/drivers/iio/imu/adis16400.c
@@ -462,8 +462,7 @@ static int adis16400_initial_setup(struct iio_dev *indio_dev)
if (ret)
goto err_ret;

- ret = sscanf(indio_dev->name, "adis%u\n", &device_id);
- if (ret != 1) {
+ if (sscanf(indio_dev->name, "adis%u\n", &device_id) != 1) {
ret = -EINVAL;
goto err_ret;
}
--
2.30.0