diff mbox series

[v3,02/10] extcon: axp288: Convert to use acpi_dev_get_first_match_dev()

Message ID 20190328171729.44002-3-andriy.shevchenko@linux.intel.com (mailing list archive)
State Accepted, archived
Delegated to: Rafael Wysocki
Headers show
Series ACPI / utils: Replace leaky function | expand

Commit Message

Andy Shevchenko March 28, 2019, 5:17 p.m. UTC
acpi_dev_get_first_match_name() is deprecated and going to be removed
because it leaks a reference.

Convert the driver to use acpi_dev_get_first_match_dev() instead.

Cc: Chanwoo Choi <cw00.choi@samsung.com>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/extcon/extcon-axp288.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Comments

Chanwoo Choi March 29, 2019, 12:53 a.m. UTC | #1
Hi Andy,

On 19. 3. 29. 오전 2:17, Andy Shevchenko wrote:
> acpi_dev_get_first_match_name() is deprecated and going to be removed
> because it leaks a reference.
> 
> Convert the driver to use acpi_dev_get_first_match_dev() instead.
> 
> Cc: Chanwoo Choi <cw00.choi@samsung.com>
> Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
> Cc: Chen-Yu Tsai <wens@csie.org>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  drivers/extcon/extcon-axp288.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c
> index a983708b77a6..50f9402fb325 100644
> --- a/drivers/extcon/extcon-axp288.c
> +++ b/drivers/extcon/extcon-axp288.c
> @@ -333,7 +333,7 @@ static int axp288_extcon_probe(struct platform_device *pdev)
>  	struct axp288_extcon_info *info;
>  	struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
>  	struct device *dev = &pdev->dev;
> -	const char *name;
> +	struct acpi_device *adev;
>  	int ret, i, pirq;
>  
>  	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
> @@ -357,9 +357,10 @@ static int axp288_extcon_probe(struct platform_device *pdev)
>  		if (ret)
>  			return ret;
>  
> -		name = acpi_dev_get_first_match_name("INT3496", NULL, -1);
> -		if (name) {
> -			info->id_extcon = extcon_get_extcon_dev(name);
> +		adev = acpi_dev_get_first_match_dev("INT3496", NULL, -1);
> +		if (adev) {
> +			info->id_extcon = extcon_get_extcon_dev(acpi_dev_name(adev));
> +			put_device(&adev->dev);
>  			if (!info->id_extcon)
>  				return -EPROBE_DEFER;
>  
> 

Applied it. Thanks.
Rafael J. Wysocki March 29, 2019, 10:58 p.m. UTC | #2
On Friday, March 29, 2019 1:53:09 AM CET Chanwoo Choi wrote:
> Hi Andy,
> 
> On 19. 3. 29. 오전 2:17, Andy Shevchenko wrote:
> > acpi_dev_get_first_match_name() is deprecated and going to be removed
> > because it leaks a reference.
> > 
> > Convert the driver to use acpi_dev_get_first_match_dev() instead.
> > 
> > Cc: Chanwoo Choi <cw00.choi@samsung.com>
> > Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
> > Cc: Chen-Yu Tsai <wens@csie.org>
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> > ---
> >  drivers/extcon/extcon-axp288.c | 9 +++++----
> >  1 file changed, 5 insertions(+), 4 deletions(-)
> > 
> > diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c
> > index a983708b77a6..50f9402fb325 100644
> > --- a/drivers/extcon/extcon-axp288.c
> > +++ b/drivers/extcon/extcon-axp288.c
> > @@ -333,7 +333,7 @@ static int axp288_extcon_probe(struct platform_device *pdev)
> >  	struct axp288_extcon_info *info;
> >  	struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
> >  	struct device *dev = &pdev->dev;
> > -	const char *name;
> > +	struct acpi_device *adev;
> >  	int ret, i, pirq;
> >  
> >  	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
> > @@ -357,9 +357,10 @@ static int axp288_extcon_probe(struct platform_device *pdev)
> >  		if (ret)
> >  			return ret;
> >  
> > -		name = acpi_dev_get_first_match_name("INT3496", NULL, -1);
> > -		if (name) {
> > -			info->id_extcon = extcon_get_extcon_dev(name);
> > +		adev = acpi_dev_get_first_match_dev("INT3496", NULL, -1);
> > +		if (adev) {
> > +			info->id_extcon = extcon_get_extcon_dev(acpi_dev_name(adev));
> > +			put_device(&adev->dev);
> >  			if (!info->id_extcon)
> >  				return -EPROBE_DEFER;
> >  
> > 
> 
> Applied it. Thanks.
> 
> 

But it won't build without the first patch I suppose?

ACK, please?
Chanwoo Choi April 1, 2019, 1:25 a.m. UTC | #3
Hi Rafael,

On 19. 3. 30. 오전 7:58, Rafael J. Wysocki wrote:
> On Friday, March 29, 2019 1:53:09 AM CET Chanwoo Choi wrote:
>> Hi Andy,
>>
>> On 19. 3. 29. 오전 2:17, Andy Shevchenko wrote:
>>> acpi_dev_get_first_match_name() is deprecated and going to be removed
>>> because it leaks a reference.
>>>
>>> Convert the driver to use acpi_dev_get_first_match_dev() instead.
>>>
>>> Cc: Chanwoo Choi <cw00.choi@samsung.com>
>>> Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
>>> Cc: Chen-Yu Tsai <wens@csie.org>
>>> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
>>> ---
>>>  drivers/extcon/extcon-axp288.c | 9 +++++----
>>>  1 file changed, 5 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c
>>> index a983708b77a6..50f9402fb325 100644
>>> --- a/drivers/extcon/extcon-axp288.c
>>> +++ b/drivers/extcon/extcon-axp288.c
>>> @@ -333,7 +333,7 @@ static int axp288_extcon_probe(struct platform_device *pdev)
>>>  	struct axp288_extcon_info *info;
>>>  	struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
>>>  	struct device *dev = &pdev->dev;
>>> -	const char *name;
>>> +	struct acpi_device *adev;
>>>  	int ret, i, pirq;
>>>  
>>>  	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
>>> @@ -357,9 +357,10 @@ static int axp288_extcon_probe(struct platform_device *pdev)
>>>  		if (ret)
>>>  			return ret;
>>>  
>>> -		name = acpi_dev_get_first_match_name("INT3496", NULL, -1);
>>> -		if (name) {
>>> -			info->id_extcon = extcon_get_extcon_dev(name);
>>> +		adev = acpi_dev_get_first_match_dev("INT3496", NULL, -1);
>>> +		if (adev) {
>>> +			info->id_extcon = extcon_get_extcon_dev(acpi_dev_name(adev));
>>> +			put_device(&adev->dev);
>>>  			if (!info->id_extcon)
>>>  				return -EPROBE_DEFER;
>>>  
>>>
>>
>> Applied it. Thanks.
>>
>>
> 
> But it won't build without the first patch I suppose?
> 
> ACK, please?

It is my fault. I'll drop it from extcon.git.

Acked-by: Chanwoo Choi <cw00.choi@samsung.com>

> 
> 
> 
>
diff mbox series

Patch

diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c
index a983708b77a6..50f9402fb325 100644
--- a/drivers/extcon/extcon-axp288.c
+++ b/drivers/extcon/extcon-axp288.c
@@ -333,7 +333,7 @@  static int axp288_extcon_probe(struct platform_device *pdev)
 	struct axp288_extcon_info *info;
 	struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
 	struct device *dev = &pdev->dev;
-	const char *name;
+	struct acpi_device *adev;
 	int ret, i, pirq;
 
 	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
@@ -357,9 +357,10 @@  static int axp288_extcon_probe(struct platform_device *pdev)
 		if (ret)
 			return ret;
 
-		name = acpi_dev_get_first_match_name("INT3496", NULL, -1);
-		if (name) {
-			info->id_extcon = extcon_get_extcon_dev(name);
+		adev = acpi_dev_get_first_match_dev("INT3496", NULL, -1);
+		if (adev) {
+			info->id_extcon = extcon_get_extcon_dev(acpi_dev_name(adev));
+			put_device(&adev->dev);
 			if (!info->id_extcon)
 				return -EPROBE_DEFER;