From 4ed243b1da169bcbc1ec5507867e56250c5f1ff9 Mon Sep 17 00:00:00 2001
From: YueHaibing <yuehaibing@huawei.com>
Date: Fri, 14 May 2021 16:02:54 +0800
Subject: [PATCH] iio: adc: ad7793: Add missing error code in ad7793_setup()
Git-commit: 4ed243b1da169bcbc1ec5507867e56250c5f1ff9
Patch-mainline: v5.13-rc4
References: git-fixes
Set error code while device ID query failed.
Fixes: 88bc30548aae ("IIO: ADC: New driver for AD7792/AD7793 3 Channel SPI ADC")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/iio/adc/ad7793.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
index 5e980a06258e..440ef4c7be07 100644
--- a/drivers/iio/adc/ad7793.c
+++ b/drivers/iio/adc/ad7793.c
@@ -279,6 +279,7 @@ static int ad7793_setup(struct iio_dev *indio_dev,
id &= AD7793_ID_MASK;
if (id != st->chip_info->id) {
+ ret = -ENODEV;
dev_err(&st->sd.spi->dev, "device ID query failed\n");
goto out;
}
--
2.26.2