[PATCH 5.10 127/157] iio: adis16400: Fix an error code in adis16400_initial_setup()
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-03-22 12:51:37
Also in:
lkml
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-03-22 12:51:37
Also in:
lkml
From: Dan Carpenter <redacted>
commit a71266e454b5df10d019b06f5ebacd579f76be28 upstream.
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 <redacted>
Cc: <redacted>
Link: https://lore.kernel.org/r/YCwgFb3JVG6qrlQ+@mwanda (local)
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/iio/imu/adis16400.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/iio/imu/adis16400.c
+++ b/drivers/iio/imu/adis16400.c@@ -462,8 +462,7 @@ static int adis16400_initial_setup(struc 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; }