linux-kernel - Re: [PATCH v5 2/2] mmc: starfive: Add initialization of prev

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Date:   Thu, 9 Mar 2023 16:02:15 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     William Qiu <william.qiu@...rfivetech.com>
Cc:     devicetree@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v5 2/2] mmc: starfive: Add initialization of prev_err

On Tue, 7 Mar 2023 at 03:46, William Qiu <william.qiu@...rfivetech.com> wrote:
>
> Add a incremental updates to fix a bug that prev_err is uninitialized.
>
> Signed-off-by: William Qiu <william.qiu@...rfivetech.com>
> Reported-by: Dan Carpenter <error27@...il.com>

I took the liberty of updating the commit message a bit, to try to
further clarify things. Moreover, future wise, let's use the prefix,
"mmc: dw_mmc-starfive" for the commit message header, to be consistent
with the other dw_mmc drivers.

So, applied for fixes and by adding a fixes tag, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/dw_mmc-starfive.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/dw_mmc-starfive.c b/drivers/mmc/host/dw_mmc-starfive.c
> index 40f5969b07a6..dab1508bf83c 100644
> --- a/drivers/mmc/host/dw_mmc-starfive.c
> +++ b/drivers/mmc/host/dw_mmc-starfive.c
> @@ -51,7 +51,7 @@ static int dw_mci_starfive_execute_tuning(struct dw_mci_slot *slot,
>         struct dw_mci *host = slot->host;
>         struct starfive_priv *priv = host->priv;
>         int rise_point = -1, fall_point = -1;
> -       int err, prev_err;
> +       int err, prev_err = 0;
>         int i;
>         bool found = 0;
>         u32 regval;
> --
> 2.34.1
>