From: Antoniu Miclaus <antoniu.miclaus@analog.com>
Date: Thu, 12 Mar 2026 11:20:24 +0000 (+0200)
Subject: iio: dac: ad5770r: fix error return in ad5770r_read_raw()
X-Git-Tag: v7.0-rc7~8^2~24^2~3
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c354521708175d776d896f8bdae44b18711eccb6;p=thirdparty%2Fkernel%2Flinux.git

iio: dac: ad5770r: fix error return in ad5770r_read_raw()

Return the error code from regmap_bulk_read() instead of 0 so
that I/O failures are properly propagated.

Fixes: cbbb819837f6 ("iio: dac: ad5770r: Add AD5770R support")
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/dac/ad5770r.c b/drivers/iio/dac/ad5770r.c
index cd47cb1c685c..6027e8d88b27 100644
--- a/drivers/iio/dac/ad5770r.c
+++ b/drivers/iio/dac/ad5770r.c
@@ -322,7 +322,7 @@ static int ad5770r_read_raw(struct iio_dev *indio_dev,
 				       chan->address,
 				       st->transf_buf, 2);
 		if (ret)
-			return 0;
+			return ret;
 
 		buf16 = get_unaligned_le16(st->transf_buf);
 		*val = buf16 >> 2;