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iio: dac: ad5360: use int type to store negative error codes

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commit f9381ece76de999a2065d5b4fdd87fa17883978c upstream.

Change the 'ret' variable in ad5360_update_ctrl() from unsigned int to
int, as it needs to store either negative error codes or zero returned
by ad5360_write_unlocked().

Fixes: a3e2940c24 ("staging:iio:dac: Add AD5360 driver")
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://patch.msgid.link/20250901135726.17601-2-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>
This commit is contained in:
Qianfeng Rong 2025-09-01 21:57:25 +08:00 • committed by Greg Kroah-Hartman
commit d0bdae59b2
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/dac/ad5360.c
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@ -259,7 +259,7 @@ static int ad5360_update_ctrl(struct iio_dev *indio_dev, unsigned int set,
unsigned int clr)
{
struct ad5360_state *st = iio_priv(indio_dev);
unsigned int ret;
int ret;
mutex_lock(&indio_dev->mlock);