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authorZizhuang Deng <sunsetdzz@gmail.com>2022-03-10 20:54:50 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-09 09:04:57 +0200
commit6ff33c01befb4a899daff222e9cfe57e7197fbf3 (patch)
treef9a75b0c7128505a4425b8765e3b1f984fb491fe /drivers
parent06ada9487f241f35d55cc2625dd4fb9a049e5439 (diff)
iio: dac: ad5592r: Fix the missing return value.
commit b55b38f7cc12da3b9ef36e7a3b7f8f96737df4d5 upstream. The third call to `fwnode_property_read_u32` did not record the return value, resulting in `channel_offstate` possibly being assigned the wrong value. Fixes: 56ca9db862bf ("iio: dac: Add support for the AD5592R/AD5593R ADCs/DACs") Signed-off-by: Zizhuang Deng <sunsetdzz@gmail.com> Link: https://lore.kernel.org/r/20220310125450.4164164-1-sunsetdzz@gmail.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/ad5592r-base.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c
index 0405e92b9e8c..987264410278 100644
--- a/drivers/iio/dac/ad5592r-base.c
+++ b/drivers/iio/dac/ad5592r-base.c
@@ -523,7 +523,7 @@ static int ad5592r_alloc_channels(struct iio_dev *iio_dev)
if (!ret)
st->channel_modes[reg] = tmp;
- fwnode_property_read_u32(child, "adi,off-state", &tmp);
+ ret = fwnode_property_read_u32(child, "adi,off-state", &tmp);
if (!ret)
st->channel_offstate[reg] = tmp;
}