linux-hardening - Re: [PATCH][next] drm/nouveau: disp: Use __member

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Message-ID: <202504220849.A8A9B1D31@keescook>
Date: Tue, 22 Apr 2025 08:49:23 -0700
From: Kees Cook <kees@...nel.org>
To: "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: Lyude Paul <lyude@...hat.com>, Danilo Krummrich <dakr@...nel.org>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] drm/nouveau: disp: Use __member_size() helper

On Tue, Apr 22, 2025 at 09:44:56AM -0600, Gustavo A. R. Silva wrote:
> Use __member_size() to get the size of the flex-array member at compile
> time, instead of the convoluted expression `__struct_size(p) - sizeof(*p)`
> 
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Reviewed-by: Kees Cook <kees@...nel.org>

-- 
Kees Cook