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* [RESEND PATCH] mfd: max77843: Fix max77843_chg_init() return on error
@ 2015-09-21 12:26 Javier Martinez Canillas
  2015-09-22 21:58 ` Lee Jones
  0 siblings, 1 reply; 2+ messages in thread
From: Javier Martinez Canillas @ 2015-09-21 12:26 UTC (permalink / raw)
  To: linux-kernel
  Cc: Krzysztof Kozlowski, stable, Javier Martinez Canillas, Lee Jones,
	Samuel Ortiz

If i2c_new_dummy() fails in max77843_chg_init(), an PTR_ERR(NULL) is
returned which is 0. So the function was wrongly returning a success
value instead of an error code.

Cc: stable@vger.kernel.org # 4.1
Fixes: c7f585fe46d8 ("mfd: max77843: Add max77843 MFD driver core driver")
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

---
Changes in the RESEND:
- Added Krzysztof's Reviewed-by tag.
- Added a tag for stable.

 drivers/mfd/max77843.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/max77843.c b/drivers/mfd/max77843.c
index c52162ea3d0a..586098f1b233 100644
--- a/drivers/mfd/max77843.c
+++ b/drivers/mfd/max77843.c
@@ -80,7 +80,7 @@ static int max77843_chg_init(struct max77693_dev *max77843)
 	if (!max77843->i2c_chg) {
 		dev_err(&max77843->i2c->dev,
 				"Cannot allocate I2C device for Charger\n");
-		return PTR_ERR(max77843->i2c_chg);
+		return -ENODEV;
 	}
 	i2c_set_clientdata(max77843->i2c_chg, max77843);
 
-- 
2.4.3


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

* Re: [RESEND PATCH] mfd: max77843: Fix max77843_chg_init() return on error
  2015-09-21 12:26 [RESEND PATCH] mfd: max77843: Fix max77843_chg_init() return on error Javier Martinez Canillas
@ 2015-09-22 21:58 ` Lee Jones
  0 siblings, 0 replies; 2+ messages in thread
From: Lee Jones @ 2015-09-22 21:58 UTC (permalink / raw)
  To: Javier Martinez Canillas
  Cc: linux-kernel, Krzysztof Kozlowski, stable, Samuel Ortiz

On Mon, 21 Sep 2015, Javier Martinez Canillas wrote:

> If i2c_new_dummy() fails in max77843_chg_init(), an PTR_ERR(NULL) is
> returned which is 0. So the function was wrongly returning a success
> value instead of an error code.
> 
> Cc: stable@vger.kernel.org # 4.1
> Fixes: c7f585fe46d8 ("mfd: max77843: Add max77843 MFD driver core driver")
> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> 
> ---
> Changes in the RESEND:
> - Added Krzysztof's Reviewed-by tag.
> - Added a tag for stable.
> 
>  drivers/mfd/max77843.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

> diff --git a/drivers/mfd/max77843.c b/drivers/mfd/max77843.c
> index c52162ea3d0a..586098f1b233 100644
> --- a/drivers/mfd/max77843.c
> +++ b/drivers/mfd/max77843.c
> @@ -80,7 +80,7 @@ static int max77843_chg_init(struct max77693_dev *max77843)
>  	if (!max77843->i2c_chg) {
>  		dev_err(&max77843->i2c->dev,
>  				"Cannot allocate I2C device for Charger\n");
> -		return PTR_ERR(max77843->i2c_chg);
> +		return -ENODEV;
>  	}
>  	i2c_set_clientdata(max77843->i2c_chg, max77843);
>  

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

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

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