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| author | Qianfeng Rong <rongqianfeng@vivo.com> | 2025-09-01 21:57:26 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-29 13:59:53 +0100 |
| commit | ae75b83897fd96a745950fabf639a48b100740df (patch) | |
| tree | 71789e395408c9ba771ad29d2667f1d9f0daead4 /drivers/iio | |
| parent | d0bdae59b2574b1d827b0e7cf40b9209adc2fba2 (diff) | |
| download | linux-ae75b83897fd96a745950fabf639a48b100740df.tar.gz linux-ae75b83897fd96a745950fabf639a48b100740df.tar.bz2 linux-ae75b83897fd96a745950fabf639a48b100740df.zip | |
iio: dac: ad5421: use int type to store negative error codes
commit 3379c900320954d768ed9903691fb2520926bbe3 upstream.
Change the 'ret' variable in ad5421_update_ctrl() from unsigned int to
int, as it needs to store either negative error codes or zero returned
by ad5421_write_unlocked().
Fixes: 5691b23489db ("staging:iio:dac: Add AD5421 driver")
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://patch.msgid.link/20250901135726.17601-3-rongqianfeng@vivo.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/dac/ad5421.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c index 63063e85cd0a..8cae84586abb 100644 --- a/drivers/iio/dac/ad5421.c +++ b/drivers/iio/dac/ad5421.c @@ -183,7 +183,7 @@ static int ad5421_update_ctrl(struct iio_dev *indio_dev, unsigned int set, unsigned int clr) { struct ad5421_state *st = iio_priv(indio_dev); - unsigned int ret; + int ret; mutex_lock(&indio_dev->mlock); |