linux-kernel - Re: [PATCH] staging: r8188eu: remove rtw

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Date:   Tue, 10 Aug 2021 10:08:31 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Phillip Potter <phil@...lpotter.co.uk>
Cc:     gregkh <gregkh@...uxfoundation.org>,
        Larry Finger <Larry.Finger@...inger.net>,
        linux-staging@...ts.linux.dev,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH] staging: r8188eu: remove rtw_ioctl function

On Tue, Aug 10, 2021 at 9:45 AM Phillip Potter <phil@...lpotter.co.uk> wrote:
> -int rtw_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
> -{
> -       struct iwreq *wrq = (struct iwreq *)rq;
> -       int ret = 0;
> -
> -       switch (cmd) {
> -       case RTL_IOCTL_WPA_SUPPLICANT:
> -               ret = wpa_supplicant_ioctl(dev, &wrq->u.data);
> -               break;
> -#ifdef CONFIG_88EU_AP_MODE
> -       case RTL_IOCTL_HOSTAPD:
> -               ret = rtw_hostapd_ioctl(dev, &wrq->u.data);
> -               break;
> -#endif /*  CONFIG_88EU_AP_MODE */
> -       case SIOCDEVPRIVATE:
> -               ret = rtw_ioctl_wext_private(dev, &wrq->u);
> -               break;


I think these functions are all defined 'static' in the same file, so
removing the
caller will cause a warning about an unused function. Better remove the
called functions along with the caller.

       Arnd