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Date:   Thu, 30 Jun 2022 15:21:06 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Florian Fainelli <f.fainelli@gmail.com>
Cc:     stable@vger.kernel.org, Hsin-Yi Wang <hsinyi@chromium.org>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Will Deacon <will@kernel.org>, Sasha Levin <sashal@kernel.org>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH stable 4.9] fdt: Update CRC check for rng-seed
Message-ID: <Yr2jQvgVkyw6RWbB@kroah.com>
References: <20220628160111.2237376-1-f.fainelli@gmail.com>
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On Tue, Jun 28, 2022 at 09:01:09AM -0700, Florian Fainelli wrote:
> From: Hsin-Yi Wang <hsinyi@chromium.org>
> 
> commit dd753d961c4844a39f947be115b3d81e10376ee5 upstream
> 
> Commit 428826f5358c ("fdt: add support for rng-seed") moves of_fdt_crc32
> from early_init_dt_verify() to early_init_dt_scan() since
> early_init_dt_scan_chosen() may modify fdt to erase rng-seed.
> 
> However, arm and some other arch won't call early_init_dt_scan(), they
> call early_init_dt_verify() then early_init_dt_scan_nodes().
> 
> Restore of_fdt_crc32 to early_init_dt_verify() then update it in
> early_init_dt_scan_chosen() if fdt if updated.
> 
> Fixes: 428826f5358c ("fdt: add support for rng-seed")
> Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Signed-off-by: Will Deacon <will@kernel.org>
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
>  drivers/of/fdt.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)

All now queued up, thanks.

greg k-h