linux-kernel - Re: [PATCH v3 1/5] staging: r8188eu: restricted _

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Message-ID: <CAA=Fs0=jkOB25NM=7fbaguco-WqV_emKsEkk6UXasn=wc9ndcQ@mail.gmail.com>
Date:   Sat, 21 Aug 2021 18:23:08 +0100
From:   Phillip Potter <phil@...lpotter.co.uk>
To:     Aakash Hemadri <aakashhemadri123@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Larry Finger <Larry.Finger@...inger.net>,
        linux-staging@...ts.linux.dev,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/5] staging: r8188eu: restricted __be16 degrades to int

On Sat, 21 Aug 2021 at 17:18, Aakash Hemadri <aakashhemadri123@...il.com> wrote:
>
> Fix sparse warning:
> > rtw_br_ext.c:73:23: warning: restricted __be16 degrades to integer
>
> Here tag->tag_len is be16, use be16_to_cpu()
>
> Signed-off-by: Aakash Hemadri <aakashhemadri123@...il.com>
> ---
>  drivers/staging/r8188eu/core/rtw_br_ext.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
> index ee52f28a1e56..f6d1f6029ec3 100644
> --- a/drivers/staging/r8188eu/core/rtw_br_ext.c
> +++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
> @@ -70,7 +70,7 @@ static int __nat25_add_pppoe_tag(struct sk_buff *skb, struct pppoe_tag *tag)
>         struct pppoe_hdr *ph = (struct pppoe_hdr *)(skb->data + ETH_HLEN);
>         int data_len;
>
> -       data_len = tag->tag_len + TAG_HDR_LEN;
> +       data_len = be16_to_cpu(tag->tag_len) + TAG_HDR_LEN;
>         if (skb_tailroom(skb) < data_len) {
>                 _DEBUG_ERR("skb_tailroom() failed in add SID tag!\n");
>                 return -1;
> --
> 2.32.0
>

Thanks for this - looks good from what I can see.

Acked-by: Phillip Potter <phil@...lpotter.co.uk>

Regards,
Phil