linux-kernel - Re: [PATCH 3/4] pinctrl: qcom: sc8180x: use kcalloc() instead of kzalloc()

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Message-ID: <ezuwnxx3djye23x57vnlnvujauiefcjd5sh7yyodd7kcldfqhi@ya5kyvdftwn6>
Date: Tue, 19 Aug 2025 21:37:53 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Qianfeng Rong <rongqianfeng@...o.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        "open list:ARM/QUALCOMM MAILING LIST" <linux-arm-msm@...r.kernel.org>,
        "open list:PIN CONTROL SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] pinctrl: qcom: sc8180x: use kcalloc() instead of
 kzalloc()

On Tue, Aug 19, 2025 at 10:39:34PM +0800, Qianfeng Rong wrote:
> Use devm_kcalloc() in sc8180x_pinctrl_add_tile_resources() to gain built-in
> overflow protection, making memory allocation safer when calculating
> allocation size compared to explicit multiplication.
> 
> Signed-off-by: Qianfeng Rong <rongqianfeng@...o.com>
> ---
>  drivers/pinctrl/qcom/pinctrl-sc8180x.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry