From: Krzysztof Kozlowski <krzk@kernel.org>
To: Guangshuo Li <lgs201920130244@gmail.com>
Cc: "Perry Yuan" <perry.yuan@amd.com>,
linux-kernel@vger.kernel.org,
"Gautham R. Shenoy" <gautham.shenoy@amd.com>,
platform-driver-x86@vger.kernel.org,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
stable@vger.kernel.org,
"Mario Limonciello" <mario.limonciello@amd.com>,
"Borislav Petkov (AMD)" <bp@alien8.de>,
"Hans de Goede" <hansg@kernel.org>
Subject: Re: [PATCH] platform/x86/amd/hfi: fix platform device leak on init failure
Date: Tue, 22 Sep 2026 00:03:35 +0200 [thread overview]
Message-ID: <89bd2593-e0ef-4b9b-8c9b-833aff327a3e@kernel.org> (raw)
In-Reply-To: <arFKFmkpldopUIMI@quoll>
On 21/09/2026 17:15, krzk@kernel.org wrote:
>
> On Mon, 21 Sep 2026 16:26:09 +0800, Guangshuo Li wrote:
>> amd_hfi_init() registers the HFI platform device before registering
>> the platform driver. If platform_driver_register() fails, the function
>> returns the error without unregistering the already registered platform
>> device.
>>
>> Since the failed init path does not run amd_hfi_exit(), the platform
>> device remains registered and its reference is never dropped, preventing
>> the associated platform object from being released.
>>
>> Unregister the platform device when platform driver registration fails
>> to properly unwind the successful device registration.
>>
>> The issue was identified by a static analysis tool I developed and
>> confirmed by manual review.
>>
>> Fixes: 5d902ee5609a ("platform/x86: hfi: Introduce AMD Hardware Feedback Interface Driver")
>> Cc: stable@vger.kernel.org
>> Signed-off-by: Guangshuo Li <lgs201920130244@gmail.com>
>> ---
>> drivers/platform/x86/amd/hfi/hfi.c | 4 +++-
>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>
>
>
> You sent multiple independent patches, to multiple independent
> subsystems. The amount of these patches clearly suggest this was
> AI generated and most likely not tested.
>
> More importantly, you sent all this work without properly organizing
> relevant patches into patchsets. This makes reviewing difficult
> and might cause multiple reviewers to address the same issue.
> Replying to the entire set is impossible and requires handling each
> patch independently, instead of applying or discarding the set.
> Maintainers also won't see the bigger picture of your work. Quite
> worrying.
>
> This is on the verge of hostile patch: bomb us with so many
> contributions, we won't be able to handle them in efficient manner,
> like responding ONCE to ask you to slow down. Considering all this
> is untested and LLM generated, I have even more doubts whether this
> should be considered for review.
>
> Please read kernel documentation BEFORE posting more work. It will
> explain you how to identify subsystems, how to organize your work per
> subsystem, how to document usage of LLM and how what you should not
> do if this was posted in a good faith.
Apologies for spamming here, mistake on my side.
I guess the OpenClaw on the other side did not even notice...
Best regards,
Krzysztof
next prev parent reply other threads:[~2026-09-21 22:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-21 8:26 [PATCH] platform/x86/amd/hfi: fix platform device leak on init failure Guangshuo Li
2026-09-21 13:43 ` Mario Limonciello
2026-09-21 17:29 ` Mario Limonciello
2026-09-21 15:04 ` krzk
2026-09-21 15:07 ` krzk
2026-09-21 15:15 ` krzk
2026-09-21 22:03 ` Krzysztof Kozlowski [this message]
2026-09-22 2:11 ` Guangshuo Li
2026-09-22 3:05 ` Borislav Petkov
2026-09-22 6:25 ` Guangshuo Li
2026-10-08 17:37 ` Ilpo Järvinen
2026-10-08 20:04 ` Mario Limonciello
2026-10-09 10:24 ` Ilpo Järvinen
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