[PATCH v5] iio: imu: inv_icm45600: Initializes inv_icm45600_buffer_postdisable sleep

From: Remi Buisson via B4 Relay

Date: Fri Nov 07 2025 - 08:49:58 EST


From: Remi Buisson <remi.buisson@xxxxxxx>

The sleep variable in inv_icm45600_buffer_postdisable() could be used without
being assigned in case of error. It must be initialized to 0 by default.

Fixes: 06674a72cf7a ("iio: imu: inv_icm45600: add buffer support in iio devices")
Closes: https://lore.kernel.org/linux-iio/aPi6Xw-ZoUkW76zR@stanley.mountain/
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
Signed-off-by: Remi Buisson <remi.buisson@xxxxxxx>
---
Changes in v5:
- Adding parenthesis to function name in commit message
- Adding Reviewed-by tag
- Link to v4: https://lore.kernel.org/r/20251107-icm45600_fix_buffer_sleep_init-v4-1-5648fbfb57ad@xxxxxxx

Changes in v4:
- Add space in closse tag in commit message
- Remove extra blank line in commit message
- Link to v3: https://lore.kernel.org/r/20251106-icm45600_fix_buffer_sleep_init-v3-1-ea3af68a3e61@xxxxxxx

Changes in v3:
- Fix commit message: fix and closes moved to SoB
- Fix assignement of sleep variable after declaration.
- Link to v2: https://lore.kernel.org/r/20251031-icm45600_fix_buffer_sleep_init-v2-1-5cdc04e1bcba@xxxxxxx

Changes in v2:
- Moving pacth description from cover-letter to single commit
- Link to v1: https://lore.kernel.org/r/20251031-icm45600_fix_buffer_sleep_init-v1-1-924efbb165e8@xxxxxxx
---
drivers/iio/imu/inv_icm45600/inv_icm45600_buffer.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/iio/imu/inv_icm45600/inv_icm45600_buffer.c b/drivers/iio/imu/inv_icm45600/inv_icm45600_buffer.c
index 2efcc177f9d60a6a2509e448c0ddaf4b9e1fd755..2b9ea317385ceb680f013c4c1b2a6a74fbe5d7e7 100644
--- a/drivers/iio/imu/inv_icm45600/inv_icm45600_buffer.c
+++ b/drivers/iio/imu/inv_icm45600/inv_icm45600_buffer.c
@@ -370,6 +370,7 @@ static int inv_icm45600_buffer_postdisable(struct iio_dev *indio_dev)
return -EINVAL;
}

+ sleep = 0;
scoped_guard(mutex, &st->lock)
ret = _inv_icm45600_buffer_postdisable(st, sensor, watermark, &sleep);


---
base-commit: 70437bbd7529e9860fb7f0c92a89e0e6abaa994e
change-id: 20251031-icm45600_fix_buffer_sleep_init-8062f6e07f84

Best regards,
--
Remi Buisson <remi.buisson@xxxxxxx>