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| author | Qianfeng Rong <rongqianfeng@vivo.com> | 2025-09-01 21:57:26 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-19 16:23:13 +0200 |
| commit | 906bb4f98d3a70c8e409aca81cdde82ac6709511 (patch) | |
| tree | e50dcb4d3759dabdb90cb81a24c1fed0cbb06312 /drivers | |
| parent | b2cbd3b2ccd8c1f778fec4f944c51348e3ff6a19 (diff) | |
| download | linux-906bb4f98d3a70c8e409aca81cdde82ac6709511.tar.gz linux-906bb4f98d3a70c8e409aca81cdde82ac6709511.tar.bz2 linux-906bb4f98d3a70c8e409aca81cdde82ac6709511.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')
| -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 7644acfd879e..9228e3cee1b8 100644 --- a/drivers/iio/dac/ad5421.c +++ b/drivers/iio/dac/ad5421.c @@ -186,7 +186,7 @@ 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(&st->lock); |