Re: [PATCH][next] drivers: video: Simplify device_node cleanup using __free

From: Shresth Prasad
Date: Sat Apr 20 2024 - 03:11:31 EST


20 Apr 2024 1:13:42 am Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>:

> On Sat, Apr 20, 2024 at 12:22:41AM +0530, Shresth Prasad wrote:
>>
>>> Please fix the subject line to be "backlight: <driver>: ...". I came
>>> very close to deleting this patch without reading it ;-) .
>>
>> Really sorry about that, I'll fix it.
>>
>>> Do we need to get dev->of_node at all? The device, which we are
>>> borrowing, already owns a reference to the node so I don't see
>>> any point in this function taking an extra one.
>>>
>>> So why not simply make this:
>>>
>>>     struct device_node *np = dev->of_node;
>>
>> Looking at it again, I'm not sure why the call to `of_node_put` is there in the first place. I think removing it will be fine.
>>
>> I'll fix both of these issues and send a patch v2.
>
> Just a stupid quesiton: on which platform was this patch tested?
>
> --
> With best wishes
> Dmitry
I tested the patch on a x86_64 qemu virtual machine

Regards,
Shresth