linux-kernel - Re: [PATCH] drm/tegra : Avoid potential integer overflow of 32 bit int

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Message-Id: <168078260130.966805.9780166486659802079.b4-ty@nvidia.com>
Date:   Thu,  6 Apr 2023 14:03:28 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     airlied@...il.com, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, daniel@...ll.ch,
        jonathanh@...dia.com, linux-tegra@...r.kernel.org,
        mperttunen@...dia.com, Nur Hussein <hussein@...xcat.org>,
        thierry.reding@...il.com
Subject: Re: [PATCH] drm/tegra : Avoid potential integer overflow of 32 bit int

From: Thierry Reding <treding@...dia.com>

On Thu, 6 Apr 2023 04:25:59 +0800, Nur Hussein wrote:
> In tegra_sor_compute_config(), the 32-bit value mode->clock
> is multiplied by 1000, and assigned to the u64 variable pclk.
> We can avoid a potential 32-bit integer overflow by casting
> mode->clock to u64 before we do the arithmetic and assignment.
> 
> 

Applied, thanks!

[1/1] drm/tegra : Avoid potential integer overflow of 32 bit int
      (no commit info)

Best regards,
-- 
Thierry Reding <treding@...dia.com>