linux-kernel - Re: [PATCH] soc: mediatek: mtk-svs: change the function IS_ERR_OR_NULL() to IS

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Message-ID: <1b48b0ec.3b004.1877971d059.Coremail.ziqin_l@hust.edu.cn>
Date:   Thu, 13 Apr 2023 15:08:34 +0800 (GMT+08:00)
From:   刘紫琴 <ziqin_l@...t.edu.cn>
To:     "Matthias Brugger" <matthias.bgg@...il.com>,
        "AngeloGioacchino Del Regno" 
        <angelogioacchino.delregno@...labora.com>
Cc:     "Dongliang Mu" <dzm91@...t.edu.cn>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] soc: mediatek: mtk-svs: change the function
 IS_ERR_OR_NULL() to IS_ERR()

ping?

"Ziqin Liu" <ziqin_l@...t.edu.cn>写道：
> nvmem_cell_get() will return an ERR_PTR() on error or a valid pointer to a
> struct nvmem_cell but won't return NULL, the check function should be
> IS_ERR() instead of IS_ERR_OR_NULL()
> 
> Signed-off-by: Ziqin Liu <ziqin_l@...t.edu.cn>
> Reviewed-by: Dongliang Mu <dzm91@...t.edu.cn>
> ---
>  drivers/soc/mediatek/mtk-svs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c
> index a7eb019b5157..8127fb6d587b 100644
> --- a/drivers/soc/mediatek/mtk-svs.c
> +++ b/drivers/soc/mediatek/mtk-svs.c
> @@ -1726,7 +1726,7 @@ static int svs_get_efuse_data(struct svs_platform *svsp,
>  	struct nvmem_cell *cell;
>  
>  	cell = nvmem_cell_get(svsp->dev, nvmem_cell_name);
> -	if (IS_ERR_OR_NULL(cell)) {
> +	if (IS_ERR(cell)) {
>  		dev_err(svsp->dev, "no \"%s\"? %ld\n",
>  			nvmem_cell_name, PTR_ERR(cell));
>  		return PTR_ERR(cell);
> -- 
> 2.25.1