linux-kernel - Re: 2.6.34-rc5-mmotm0428 - 2 RCU whinges in mac80211

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Date:	Thu, 06 May 2010 19:58:16 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Valdis.Kletnieks@...edu
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	"John W. Linville" <linville@...driver.com>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org
Subject: Re: 2.6.34-rc5-mmotm0428 - 2 RCU whinges in mac80211

On Thu, 2010-05-06 at 13:35 -0400, Valdis.Kletnieks@...edu wrote:
> Spotted these in my dmesg, hopefully somebody is interested...
> 
> [   54.076863] wlan0: deauthenticating from 00:11:20:a4:4c:11 by local choice (reason=3)
> [   54.080580] 
> [   54.080581] ===================================================
> [   54.080584] [ INFO: suspicious rcu_dereference_check() usage. ]
> [   54.080586] ---------------------------------------------------
> [   54.080589] net/mac80211/sta_info.c:858 invoked rcu_dereference_check() without protection!

I'm pretty sure I fixed those so there should be a patch on its way to
or in mainline somewhere.

johannes

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