Re: [PATCH] iio: adc: ad7780: Fix a resource handling path in 'ad7780_probe()'

From: Renato Lui Geh
Date: Sun May 17 2020 - 22:21:55 EST


Acked-by: Renato Lui Geh <renatogeh@xxxxxxxxx>

On 05/17, Christophe JAILLET wrote:
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@xxxxxxxxxx>
---
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 f47606ebbbbe..b33fe6c3907e 100644
--- a/drivers/iio/adc/ad7780.c
+++ b/drivers/iio/adc/ad7780.c
@@ -329,7 +329,7 @@ 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