linux-kernel - Re: [v2,1/1] brcmfmac: fix pmksa->bssid usage

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Date:   Sat,  3 Sep 2016 17:02:22 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Nicolas Iooss <nicolas.iooss_linux@....org>
Cc:     Arend van Spriel <arend.vanspriel@...adcom.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Nicolas Iooss <nicolas.iooss_linux@....org>
Subject: Re: [v2,1/1] brcmfmac: fix pmksa->bssid usage

Nicolas Iooss <nicolas.iooss_linux@....org> wrote:
> The struct cfg80211_pmksa defines its bssid field as:
> 
>     const u8 *bssid;
> 
> contrary to struct brcmf_pmksa, which uses:
> 
>     u8 bssid[ETH_ALEN];
> 
> Therefore in brcmf_cfg80211_del_pmksa(), &pmksa->bssid takes the address
> of this field (of type u8**), not the one of its content (which would be
> u8*).  Remove the & operator to make brcmf_dbg("%pM") and memcmp()
> behave as expected.
> 
> This bug have been found using a custom static checker (which checks the
> usage of %p... attributes at build time).  It has been introduced in
> commit 6c404f34f2bd ("brcmfmac: Cleanup pmksa cache handling code"),
> which replaced pmksa->bssid by &pmksa->bssid while refactoring the code,
> without modifying struct cfg80211_pmksa definition.
> 
> Replace &pmk[i].bssid with pmk[i].bssid too to make the code clearer,
> this change does not affect the semantic.
> 
> Fixes: 6c404f34f2bd ("brcmfmac: Cleanup pmksa cache handling code")
> Cc: stable@...r.kernel.org
> Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@....org>

Thanks, 1 patch applied to wireless-drivers-next.git:

7703773ef1d8 brcmfmac: fix pmksa->bssid usage

-- 
Sent by pwcli
https://patchwork.kernel.org/patch/9295351/