netdev - Re: assert_cfg80211_lock warning with Linux v3.5-8833-g2d53492

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Message-ID: <50198370.20304@broadcom.com>
Date:	Wed, 1 Aug 2012 21:28:48 +0200
From:	"Arend van Spriel" <arend@...adcom.com>
To:	"Johannes Berg" <johannes@...solutions.net>
cc:	"John W. Linville" <linville@...driver.com>,
	"Josh Boyer" <jwboyer@...hat.com>,
	"Brett Rudley" <brudley@...adcom.com>,
	"Roland Vossen" <rvossen@...adcom.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	"Seth Forshee" <seth.forshee@...onical.com>,
	"Luis R. Rodriguez" <rodrigue@....qualcomm.com>
Subject: Re: assert_cfg80211_lock warning with Linux v3.5-8833-g2d53492

On 08/01/2012 07:24 PM, Arend van Spriel wrote:
> It seems the API was as it currently is when adding regulatory framework
> changes in brcmsmac so we should have seen this assert flying by. The
> problem is that freq_reg_info() is exposed in cfg80211.h, but as it is
> now it can only be used under the cfg80211_mutex lock, ie. in regulatory
> notify callback (as Seth indicated).
> 
> Gr. AvS

Ah, I see you need to run a LOCKDEP-enabled kernel to get this warning.

Gr. AvS

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