RE: [PATCH] nfit: use devm_add_action_or_reset()

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-----Original Message-----
From: Dan Williams [mailto:dan.j.williams@xxxxxxxxx] 
Sent: Thursday, July 07, 2016 3:48 AM
To: joeyli <jlee@xxxxxxxx>
Cc: Sajjan, Vikas C <vikas.cha.sajjan@xxxxxxx>; Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>; linux-nvdimm@xxxxxxxxxxxx; Linux ACPI <linux-acpi@xxxxxxxxxxxxxxx>; Knippers, Linda <linda.knippers@xxxxxxx>
Subject: Re: [PATCH] nfit: use devm_add_action_or_reset()

Thanks, applied.

Thank you, Dan.

On Mon, Jul 4, 2016 at 12:54 AM, joeyli <jlee@xxxxxxxx> wrote:
> On Mon, Jul 04, 2016 at 10:02:51AM +0530, Vikas C Sajjan wrote:
>> If devm_add_action() fails, we are explicitly calling the cleanup to 
>> free the resources allocated. Lets use the helper 
>> devm_add_action_or_reset() and return directly in case of error, 
>> since the cleanup function has been already called by the helper if there was any error.
>>
>> Signed-off-by: Vikas C Sajjan <vikas.cha.sajjan@xxxxxxx>
>> ---
>>  drivers/acpi/nfit.c | 8 ++++----
>>  1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index 
>> c2ad967..44ebe1e 100644
>> --- a/drivers/acpi/nfit.c
>> +++ b/drivers/acpi/nfit.c
>> @@ -1920,11 +1920,11 @@ static int acpi_nfit_insert_resource(struct acpi_nfit_desc *acpi_desc,
>>       if (ret)
>>               return ret;
>>
>> -     ret = devm_add_action(acpi_desc->dev, acpi_nfit_remove_resource, res);
>> -     if (ret) {
>> -             remove_resource(res);
>> +     ret = devm_add_action_or_reset(acpi_desc->dev,
>> +                                     acpi_nfit_remove_resource,
>> +                                     res);
>> +     if (ret)
>>               return ret;
>> -     }
>>
>>       return 0;
>>  }
>> --
>> 1.9.1
>>
>
> Reviewed-by: Lee, Chun-Yi <jlee@xxxxxxxx>
>
> Joey Lee
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