linux-kernel - [PATCH] iio: dac: ad5592r: Fix the missing return value.

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Date:   Thu, 10 Mar 2022 20:54:50 +0800
From:   Zizhuang Deng <sunsetdzz@...il.com>
To:     Jonathan.Cameron@...wei.com
Cc:     linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        Zizhuang Deng <sunsetdzz@...il.com>
Subject: [PATCH] iio: dac: ad5592r: Fix the missing return value.

The third call to `fwnode_property_read_u32` did not record
the return value, resulting in `channel_offstate` possibly
being assigned the wrong value.

Signed-off-by: Zizhuang Deng <sunsetdzz@...il.com>
---
 drivers/iio/dac/ad5592r-base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c
index a424b7220b61..4434c1b2a322 100644
--- a/drivers/iio/dac/ad5592r-base.c
+++ b/drivers/iio/dac/ad5592r-base.c
@@ -522,7 +522,7 @@ 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;
 	}
-- 
2.25.1