linux-kernel - Re: [PATCH v2 1/5] memory: renesas-rpc-if: Return correct value to the caller of rpcif_manual

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Message-ID: <20201128113211.GA4761@kozik-lap>
Date:   Sat, 28 Nov 2020 12:32:11 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Sergei Shtylyov <sergei.shtylyov@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Jiri Kosina <trivial@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        linux-renesas-soc@...r.kernel.org, Pavel Machek <pavel@...x.de>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        linux-kernel@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>, stable@...r.kernel.org
Subject: Re: [PATCH v2 1/5] memory: renesas-rpc-if: Return correct value to
 the caller of rpcif_manual_xfer()

On Thu, Nov 26, 2020 at 07:11:42PM +0000, Lad Prabhakar wrote:
> In the error path of rpcif_manual_xfer() the value of ret is overwritten
> by value returned by reset_control_reset() function and thus returning
> incorrect value to the caller.
> 
> This patch makes sure the correct value is returned to the caller of
> rpcif_manual_xfer() by dropping the overwrite of ret in error path.
> Also now we ignore the value returned by reset_control_reset() in the
> error path and instead print a error message when it fails.
> 
> Fixes: ca7d8b980b67f ("memory: add Renesas RPC-IF driver")
> Reported-by: Pavel Machek <pavel@...x.de>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Cc: stable@...r.kernel.org
> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@...il.com>
> ---
>  drivers/memory/renesas-rpc-if.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Thanks, applied to mem-ctrl tree.

Best regards,
Krzysztof