linux-kernel - Re: [PATCH iwlwifi-next v5] wifi: iwlwifi: fix uninitialized pointers with free attribute

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Message-ID: <cb351ab4-2071-4f3b-9bf3-2b049fee0b09@kernel.org>
Date: Mon, 24 Nov 2025 08:31:55 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Ally Heev <allyheev@...il.com>,
 Miri Korenblit <miriam.rachel.korenblit@...el.com>
Cc: Johannes Berg <johannes@...solutions.net>,
 linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
 Dan Carpenter <dan.carpenter@...aro.org>
Subject: Re: [PATCH iwlwifi-next v5] wifi: iwlwifi: fix uninitialized pointers
 with free attribute

On 24/11/2025 08:29, Ally Heev wrote:
> Uninitialized pointers with `__free` attribute can cause undefined
> behavior as the memory assigned randomly to the pointer is freed
> automatically when the pointer goes out of scope.
> 
> It is better to initialize and assign pointers with `__free` attribute
> in one statement to ensure proper scope-based cleanup
> 
> Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
> Closes: https://lore.kernel.org/all/aPiG_F5EBQUjZqsl@stanley.mountain/
> Signed-off-by: Ally Heev <allyheev@...il.com>
> ---


Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>

Best regards,
Krzysztof