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SubjectRe: [PATCH] Input: da9052_onkey: Convert to managed resources
From
On Fri, Oct 2, 2015 at 11:13 PM, Dmitry Torokhov
<dmitry.torokhov@gmail.com> wrote:
> On Tue, Aug 04, 2015 at 12:52:53PM +0000, Opensource [Steve Twiss] wrote:
>> On 27 July 2015 03:56, Vaishali Thakkar wrote:
>>
>> > Subject: [PATCH] Input: da9052_onkey: Convert to managed resources
>> >
>> > Use managed resource functions devm_input_allocate_device and
>> > devm_kzalloc. To be compatible with the change, replace various
>> > gotos by direct returns and drop unneeded labels.
>> >
>> > Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
>> > ---
>> > drivers/input/misc/da9052_onkey.c | 15 ++++-----------
>> > 1 file changed, 4 insertions(+), 11 deletions(-)
>> >
>> > diff --git a/drivers/input/misc/da9052_onkey.c
>> > b/drivers/input/misc/da9052_onkey.c
>> > index 266e07f..3243fe9 100644
>> > --- a/drivers/input/misc/da9052_onkey.c
>> > +++ b/drivers/input/misc/da9052_onkey.c
>> > @@ -84,12 +84,11 @@ static int da9052_onkey_probe(struct
>> > platform_device *pdev)
>> > return -EINVAL;
>> > }
>> >
>> > - onkey = kzalloc(sizeof(*onkey), GFP_KERNEL);
>> > - input_dev = input_allocate_device();
>> > + onkey = devm_kzalloc(&pdev->dev, sizeof(*onkey), GFP_KERNEL);
>> > + input_dev = devm_input_allocate_device(&pdev->dev);
>> > if (!onkey || !input_dev) {
>> > dev_err(&pdev->dev, "Failed to allocate memory\n");
>> > - error = -ENOMEM;
>> > - goto err_free_mem;
>> > + return -ENOMEM;
>> > }
>> >
>> > onkey->input = input_dev;
>> > @@ -108,7 +107,7 @@ static int da9052_onkey_probe(struct
>> > platform_device *pdev)
>> > if (error < 0) {
>> > dev_err(onkey->da9052->dev,
>> > "Failed to register ONKEY IRQ: %d\n", error);
>> > - goto err_free_mem;
>> > + return error;
>> > }
>> >
>> > error = input_register_device(onkey->input);
>> > @@ -124,9 +123,6 @@ static int da9052_onkey_probe(struct
>> > platform_device *pdev)
>> > err_free_irq:
>> > da9052_free_irq(onkey->da9052, DA9052_IRQ_NONKEY, onkey);
>> > cancel_delayed_work_sync(&onkey->work);
>> > -err_free_mem:
>> > - input_free_device(input_dev);
>> > - kfree(onkey);
>> >
>> > return error;
>> > }
>> > @@ -138,9 +134,6 @@ static int da9052_onkey_remove(struct
>> > platform_device *pdev)
>> > da9052_free_irq(onkey->da9052, DA9052_IRQ_NONKEY, onkey);
>> > cancel_delayed_work_sync(&onkey->work);
>> >
>> > - input_unregister_device(onkey->input);
>> > - kfree(onkey);
>> > -
>> > return 0;
>> > }
>> >
>> > --
>> > 1.9.1
>>
>> Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
>>
>
> I prefer not to mix stategies of managing resources in a single driver.
> I.e. either everything is devm* or nothing is.

Yeah, I understand. I guess this is an old patch. You can drop it.

Thanks

> Thanks.
>
> --
> Dmitry



--
Vaishali


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