netdev - Re: [PATCH 3/6][next] ipw2x00: Remove unnecessary cast to iw_handler in ipw_wx

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Message-ID: <202210171943.1B5E6B85@keescook>
Date:   Mon, 17 Oct 2022 19:43:50 -0700
From:   Kees Cook <keescook@...omium.org>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
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,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH 3/6][next] ipw2x00: Remove unnecessary cast to iw_handler
 in ipw_wx_handlers

On Mon, Oct 17, 2022 at 03:34:48PM -0500, Gustavo A. R. Silva wrote:
> Previous patches have removed the rest of the casts to iw_handler in
> ipw_wx_handlers array definition, and with that multiple
> -Wcast-function-type-strict warnings have been fixed.
> 
> Remove the one cast to iw_handler remaining, which was not removed in
> previous patches because there was no -Wcast-function-type-strict warning
> associated with it.
> 
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
>  /* 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),
>  	IW_HANDLER(SIOCSIWFREQ, ipw_wx_set_freq),
>  	IW_HANDLER(SIOCGIWFREQ, ipw_wx_get_freq),
>  	IW_HANDLER(SIOCSIWMODE, ipw_wx_set_mode),

I'd just collapse this into the previous cfg80211_wext patch...

-- 
Kees Cook