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SubjectRe: [PATCH] GPIO_KEYS: If devm_add_action() fails, we are explicitly calling the cleanup to freethe resources allocated. Use the helper devm_add_action_or_reset() and return directly in case of error, since the cleanup function has been already called by
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Sorry for subject. Thanks for reviewing my patch. I will take care and 
follow the standard now.

regards,
Arvind


On Tuesday 05 July 2016 10:31 PM, Bjorn Andersson wrote:
> On Tue 05 Jul 09:18 PDT 2016, Arvind Yadav wrote:
>
> Your subject line should be a short and descriptive summary, followed by
> an empty line and then potentially a longer description motivating your
> patch. Please read section #14 of Documentation/SubmittingPatches.
>
>> Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
>> ---
>> drivers/input/keyboard/gpio_keys.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
>> index 2909365..a2fa3bb 100644
>> --- a/drivers/input/keyboard/gpio_keys.c
>> +++ b/drivers/input/keyboard/gpio_keys.c
>> @@ -542,7 +542,8 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
>> * Install custom action to cancel release timer and
>> * workqueue item.
>> */
>> - error = devm_add_action(&pdev->dev, gpio_keys_quiesce_key, bdata);
>> + error = devm_add_action_or_reset(&pdev->dev, gpio_keys_quiesce_key,
>> + bdata);
> The code leading up to this initializes the timer and work struct, but
> they are not triggered unless their respective isr is exectued. This
> would not happen until after the request_irq at the end of the function.
>
> As such there doesn't appear to be a reason for cancelling any work or
> timers.
>
>> if (error) {
>> dev_err(&pdev->dev,
>> "failed to register quiesce action, error: %d\n",
> Regards,
> Bjorn

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