linux-kernel - Re: [PATCH] media: camss: csid: fix wrong size passed to devm_kmalloc

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Message-ID: <CAG3jFyv8rjx2M9vZPbqNqT=ngv5JNt8PskQFR839fd6Z9gDVUw@mail.gmail.com>
Date:   Mon, 16 May 2022 16:43:38 +0200
From:   Robert Foss <robert.foss@...aro.org>
To:     Yang Yingliang <yangyingliang@...wei.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-media@...r.kernel.org, mchehab@...nel.org,
        hverkuil-cisco@...all.nl, bryan.odonoghue@...aro.org,
        vladimir.zapolskiy@...aro.org
Subject: Re: [PATCH] media: camss: csid: fix wrong size passed to devm_kmalloc_array()

On Mon, 9 May 2022 at 15:53, Yang Yingliang <yangyingliang@...wei.com> wrote:
>
> 'supplies' is a pointer, the real size of struct regulator_bulk_data
> should be pass to devm_kmalloc_array().
>
> Fixes: 0d8140179715 ("media: camss: Add regulator_bulk support")
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
> ---
>  drivers/media/platform/qcom/camss/camss-csid.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
> index f993f349b66b..80628801cf09 100644
> --- a/drivers/media/platform/qcom/camss/camss-csid.c
> +++ b/drivers/media/platform/qcom/camss/camss-csid.c
> @@ -666,7 +666,7 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
>         if (csid->num_supplies) {
>                 csid->supplies = devm_kmalloc_array(camss->dev,
>                                                     csid->num_supplies,
> -                                                   sizeof(csid->supplies),
> +                                                   sizeof(*csid->supplies),
>                                                     GFP_KERNEL);
>                 if (!csid->supplies)
>                         return -ENOMEM;
> --
> 2.25.1
>

Reviewed-by: Robert Foss <robert.foss@...aro.org>