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* [PATCH] media: i2c/adp1653: fix check of devm_gpiod_get() error code
@ 2016-03-07 18:39 Vladimir Zapolskiy
  2016-03-09  9:44 ` Sakari Ailus
  0 siblings, 1 reply; 2+ messages in thread
From: Vladimir Zapolskiy @ 2016-03-07 18:39 UTC (permalink / raw)
  To: Sakari Ailus, Mauro Carvalho Chehab; +Cc: linux-media

The devm_gpiod_get() function returns either a valid pointer to
struct gpio_desc or ERR_PTR() error value, check for NULL is bogus.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
---
 drivers/media/i2c/adp1653.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/i2c/adp1653.c b/drivers/media/i2c/adp1653.c
index fb7ed73..9e1731c 100644
--- a/drivers/media/i2c/adp1653.c
+++ b/drivers/media/i2c/adp1653.c
@@ -466,9 +466,9 @@ static int adp1653_of_init(struct i2c_client *client,
 	of_node_put(child);
 
 	pd->enable_gpio = devm_gpiod_get(&client->dev, "enable", GPIOD_OUT_LOW);
-	if (!pd->enable_gpio) {
+	if (IS_ERR(pd->enable_gpio)) {
 		dev_err(&client->dev, "Error getting GPIO\n");
-		return -EINVAL;
+		return PTR_ERR(pd->enable_gpio);
 	}
 
 	return 0;
-- 
2.1.4


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] media: i2c/adp1653: fix check of devm_gpiod_get() error code
  2016-03-07 18:39 [PATCH] media: i2c/adp1653: fix check of devm_gpiod_get() error code Vladimir Zapolskiy
@ 2016-03-09  9:44 ` Sakari Ailus
  0 siblings, 0 replies; 2+ messages in thread
From: Sakari Ailus @ 2016-03-09  9:44 UTC (permalink / raw)
  To: Vladimir Zapolskiy; +Cc: Mauro Carvalho Chehab, linux-media

Hi Vladimir,

On Mon, Mar 07, 2016 at 08:39:32PM +0200, Vladimir Zapolskiy wrote:
> The devm_gpiod_get() function returns either a valid pointer to
> struct gpio_desc or ERR_PTR() error value, check for NULL is bogus.
> 
> Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>

Thanks! Applied to my fixes branch.

-- 
Kind regards,

Sakari Ailus
e-mail: sakari.ailus@iki.fi	XMPP: sailus@retiisi.org.uk

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2016-03-07 18:39 [PATCH] media: i2c/adp1653: fix check of devm_gpiod_get() error code Vladimir Zapolskiy
2016-03-09  9:44 ` Sakari Ailus

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