linux-kernel - Re: [PATCH] drm/meson: Fix return type of meson_encoder_cvbs_mode

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Date:   Thu, 03 Nov 2022 09:41:40 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     patches@...ts.linux.dev, dri-devel@...ts.freedesktop.org,
        Kees Cook <keescook@...omium.org>, llvm@...ts.linux.dev,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Tom Rix <trix@...hat.com>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH] drm/meson: Fix return type of meson_encoder_cvbs_mode_valid()

Hi,

On Wed, 2 Nov 2022 08:52:42 -0700, Nathan Chancellor wrote:
> With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG),
> indirect call targets are validated against the expected function
> pointer prototype to make sure the call target is valid to help mitigate
> ROP attacks. If they are not identical, there is a failure at run time,
> which manifests as either a kernel panic or thread getting killed. A
> proposed warning in clang aims to catch these at compile time, which
> reveals:
> 
> [...]

Thanks, Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-next)

[1/1] drm/meson: Fix return type of meson_encoder_cvbs_mode_valid()
      https://cgit.freedesktop.org/drm/drm-misc/commit/?id=6c4e4d35203301906afb53c6d1e1302d4c793c05

-- 
Neil