linux-hardening - Re: [PATCH v2 1/6] cfg80211: Avoid clashing function prototypes

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Date:   Mon, 31 Oct 2022 16:03:25 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Johannes Berg <johannes@...solutions.net>
Cc:     Stanislav Yakovlev <stas.yakovlev@...il.com>,
        Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kees Cook <keescook@...omium.org>,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2 1/6] cfg80211: Avoid clashing function prototypes

On Fri, Oct 28, 2022 at 10:22:47AM +0200, Johannes Berg wrote:
> Hm.
> 
> If you're splitting out per driver,
> 
> > +++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c
> > @@ -9870,7 +9870,7 @@ static int ipw_wx_sw_reset(struct net_device *dev,
> >  
> >  /* Rebase the WE IOCTLs to zero for the handler array */
> >  static iw_handler ipw_wx_handlers[] = {
> > -	IW_HANDLER(SIOCGIWNAME, (iw_handler)cfg80211_wext_giwname),
> > +	IW_HANDLER(SIOCGIWNAME, cfg80211_wext_giwname),
> 
> I can see how this (and similar) still belongs into this patch since
> it's related to the cfg80211 change, but
> 
> > +++ b/drivers/net/wireless/intersil/orinoco/wext.c
> > @@ -154,9 +154,10 @@ static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev)
> >  
> >  static int orinoco_ioctl_setwap(struct net_device *dev,
> >  				struct iw_request_info *info,
> > -				struct sockaddr *ap_addr,
> > +				union iwreq_data *wrqu,
> >  				char *extra)
> >  {
> > +	struct sockaddr *ap_addr = &wrqu->ap_addr;
> 
> why this (and similar) too?

mmh... yeah; orinoco should be a separate patch. :)

Thanks
--
Gustavo