linux-kernel - [PATCH 5.4 102/215] iio: adc: ad7780: Fix a resource handling path in ad7780

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Message-Id: <20200720152825.059287518@linuxfoundation.org>
Date:   Mon, 20 Jul 2020 17:36:24 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Renato Lui Geh <renatogeh@...il.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 102/215] iio: adc: ad7780: Fix a resource handling path in ad7780_probe()

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>

[ Upstream commit b0536f9826a5ed3328d527b4fc1686867a9f3041 ]

If 'ad7780_init_gpios()' fails, we must not release some resources that
have not been allocated yet. Return directly instead.

Fixes: 5bb30e7daf00 ("staging: iio: ad7780: move regulator to after GPIO init")
Fixes: 9085daa4abcc ("staging: iio: ad7780: add gain & filter gpio support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Acked-by: Renato Lui Geh <renatogeh@...il.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/iio/adc/ad7780.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad7780.c b/drivers/iio/adc/ad7780.c
index 217a5a5c3c6d9..7e741294de7b8 100644
--- a/drivers/iio/adc/ad7780.c
+++ b/drivers/iio/adc/ad7780.c
@@ -309,7 +309,7 @@ static int ad7780_probe(struct spi_device *spi)
 
 	ret = ad7780_init_gpios(&spi->dev, st);
 	if (ret)
-		goto error_cleanup_buffer_and_trigger;
+		return ret;
 
 	st->reg = devm_regulator_get(&spi->dev, "avdd");
 	if (IS_ERR(st->reg))
-- 
2.25.1