linux-kernel - Re: [PATCH linux-next v2 2/3] drivers/platform/x86/intel/tpmi: revise the comment of intel_vsec_add

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Message-ID: <9068dfb4-044f-f54d-d0da-437659fcebe8@hust.edu.cn>
Date:   Mon, 20 Mar 2023 18:57:06 +0800
From:   Dongliang Mu <dzm91@...t.edu.cn>
To:     Hans de Goede <hdegoede@...hat.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Mark Gross <markgross@...nel.org>
Cc:     platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH linux-next v2 2/3] drivers/platform/x86/intel/tpmi: revise
 the comment of intel_vsec_add_aux


On 2023/3/20 18:33, Hans de Goede wrote:
> Hi,
>
> On 3/9/23 05:01, Dongliang Mu wrote:
>> intel_vsec_add_aux() is resource managed including res and
>> feature_vsec_dev memory.
>>
>> Fix this by revising the comment of intel_vsec_add_aux since res variable
>> will also be freed in the intel_vsec_add_aux.
>>
>> Signed-off-by: Dongliang Mu <dzm91@...t.edu.cn>
> Thank you for your patch, I've applied this patch to my review-hans
> branch:
> https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans
>
> Note it will show up in my review-hans branch once I've pushed my
> local branch there, which might take a while.
>
> Once I've run some tests on this branch the patches there will be
> added to the platform-drivers-x86/for-next branch and eventually
> will be included in the pdx86 pull-request to Linus for the next
> merge-window.
>
> Regards,
>
> Hans

Thanks, Hans.

Shall I send the patch related to memory leak to the mainline? The 
mainline is also prone to this issue?

>
>
>
>> ---
>>   drivers/platform/x86/intel/tpmi.c | 4 ++--
>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/platform/x86/intel/tpmi.c b/drivers/platform/x86/intel/tpmi.c
>> index 882fe5e4763f..036d0e0dba19 100644
>> --- a/drivers/platform/x86/intel/tpmi.c
>> +++ b/drivers/platform/x86/intel/tpmi.c
>> @@ -239,8 +239,8 @@ static int tpmi_create_device(struct intel_tpmi_info *tpmi_info,
>>   	/*
>>   	 * intel_vsec_add_aux() is resource managed, no explicit
>>   	 * delete is required on error or on module unload.
>> -	 * feature_vsec_dev memory is also freed as part of device
>> -	 * delete.
>> +	 * feature_vsec_dev and res memory are also freed as part of
>> +	 * device deletion.
>>   	 */
>>   	return intel_vsec_add_aux(vsec_dev->pcidev, &vsec_dev->auxdev.dev,
>>   				  feature_vsec_dev, feature_id_name);