linux-kernel - Re: [PATCH PULL] w1: Avoid -Wflex-array-member-not-at-end warnings

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Message-ID: <2025052155-image-mongoose-5117@gregkh>
Date: Wed, 21 May 2025 14:13:09 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: "Gustavo A. R. Silva" <gustavoars@...nel.org>,
	linux-kernel@...r.kernel.org, krzk@...nel.org,
	Kees Cook <kees@...nel.org>
Subject: Re: [PATCH PULL] w1: Avoid -Wflex-array-member-not-at-end warnings

On Tue, May 13, 2025 at 12:53:26PM +0200, Krzysztof Kozlowski wrote:
> From: "Gustavo A. R. Silva" <gustavoars@...nel.org>
> 
> -Wflex-array-member-not-at-end was introduced in GCC-14, and we are
> getting ready to enable it, globally.
> 
> Use the `DEFINE_RAW_FLEX()` helper for on-stack definitions of
> a flexible structure where the size of the flexible-array member
> is known at compile-time, and refactor the rest of the code,
> accordingly.
> 
> So, with these changes, fix the following warnings:
> 
> drivers/w1/w1_netlink.c:198:31: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> drivers/w1/w1_netlink.c:219:31: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> 
> Reviewed-by: Kees Cook <kees@...nel.org>
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
> Link: https://lore.kernel.org/r/Z_RflBe5iDGTMFjV@kspp
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
> 
> Hi Greg,
> 
> I have one patch in w1 tree for you for v6.16.

A "PATCH PULL"?  I'll take this as a patch, thanks :)