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authorQianfeng Rong <rongqianfeng@vivo.com>2025-09-01 21:57:25 +0800
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2025-09-01 20:43:36 +0100
commitf9381ece76de999a2065d5b4fdd87fa17883978c (patch)
tree66a5a51b3471615ed1a426e5f33a952dd05e7ccc
parent1d8fdabe19267338f29b58f968499e5b55e6a3b6 (diff)
iio: dac: ad5360: use int type to store negative error codes
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: a3e2940c24d3 ("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>
-rw-r--r--drivers/iio/dac/ad5360.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/dac/ad5360.c b/drivers/iio/dac/ad5360.c
index a57b0a093112..8271849b1c83 100644
--- a/drivers/iio/dac/ad5360.c
+++ b/drivers/iio/dac/ad5360.c
@@ -262,7 +262,7 @@ 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(&st->lock);