Re: [PATCH 0/3] HID: nvidia-shield: Fix the error handling path of shield_probe()

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On Fri, 15 Sep, 2023 22:14:18 +0200 Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> wrote:
> Le 15/09/2023 à 20:16, Rahul Rameshbabu a écrit :
>> Hi Christophe,
>> On Sat, 26 Aug, 2023 19:42:16 +0200 Christophe JAILLET
>> <christophe.jaillet@xxxxxxxxxx> wrote:
>>> This serie fixes some missing clean-up function calls in the error handling of
>>> the probe.
>>>
>>> Patch 1 and 2 fix some similar issues introduced in 2 different commits (hence 2
>>> patches)
>>>
>>> Patch 3 is a proposal to be more future proof.
>>>
>>>
>>> *Note*: I'm not 100% sure that the order of the functions is the best one in
>>> thunderstrike_destroy(), but it is the way it was.
>>>
>>> My personal preference would be to undo things in reverse order they are
>>> allocated, such as:
>>> 	led_classdev_unregister(&ts->led_dev);
>>> 	power_supply_unregister(ts->base.battery_dev.psy);
>>> 	if (ts->haptics_dev)
>>> 		input_unregister_device(ts->haptics_dev);
>>> 	ida_free(&thunderstrike_ida, ts->id);
>>> This order was explicitly chnaged by 3ab196f88237, so, as I can't test the
>>> changes on a real harware, I've left it as-is.
>>>
>>> Christophe JAILLET (3):
>>>    HID: nvidia-shield: Fix a missing led_classdev_unregister() in the
>>>      probe error handling path
>>>    HID: nvidia-shield: Fix some missing function calls() in the probe
>>>      error handling path
>>>    HID: nvidia-shield: Introduce thunderstrike_destroy()
>>>
>>>   drivers/hid/hid-nvidia-shield.c | 23 ++++++++++++++++-------
>>>   1 file changed, 16 insertions(+), 7 deletions(-)
>> I was wondering if you have time to address the comments in this
>> submission. If not, I can re-spin the patches with the needed changes in
>> upcoming days.
>
> I can send an update tomorrow, but I'm only working with -next, so should using
> for-6.6/nvidia (as said in your comment in #1/3) be a must have, then it would
> be more convenient for me if you make the changes by yourself.

Luckily, it does not have to be on top of for-6.6/nvidia to add the fix
I mentioned with regards to the led_classdev flag for not trying to
power off the led when unregistering the led_classdev. That should still
merge nicely on top of for-6.6/nvidia. The main reason I mentioned it
was due to the commit living there with regards to the issue involving
unregistering the led_classdev without the mentioned flag.

--
Thanks for the patches,

Rahul Rameshbabu

>
> CJ
>
>> --
>> Thanks,
>> Rahul Rameshbabu
>> 




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