netdev - Re: [next] ar5523: use container

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Fri, 13 Mar 2015 14:07:49 +0000 (UTC)
From:	Kalle Valo <kvalo@...eaurora.org>
To:	Florian Westphal <fw@...len.de>
Cc:	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	Florian Westphal <fw@...len.de>
Subject: Re: [next] ar5523: use container_of


> If we want to shrink skb->cb then we'd have to see about
> reducing struct ieee80211_tx_info, which gets embedded inside
> skb->cb[].
> 
> It provides a scratch space to be used by wireless drivers.
> ar5523 uses the maximum space available today (40 bytes), but it seems
> we don't need this -- data->skb pointer seems to always point back to the
> skb whose cb buffer the data structure resides, iow, given a pointer to the
> embedded control buffer we can infer the skb address.
> 
> Tested-by: Pontus Fuchs <pontus.fuchs@...il.com>
> Signed-off-by: Florian Westphal <fw@...len.de>

Thanks, applied to wireless-drivers-next.git.

Kalle Valo
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html