linux-kernel - Re: [PATCH] net/wireless/sme: sched_scan_mtx lock in cfg80211_conn

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Message-ID: <1364667185.8398.1.camel@jlt4.sipsolutions.net>
Date:	Sat, 30 Mar 2013 19:13:05 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Artem Savkov <artem.savkov@...il.com>
Cc:	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/wireless/sme: sched_scan_mtx lock in
 cfg80211_conn_work()

On Sat, 2013-03-30 at 21:20 +0400, Artem Savkov wrote:
> Introduced in f9f475292dbb0e7035fb6661d1524761ea0888d9
> 
> cfg80211_conn_scan() which requires sched_scan_mtx to be held can be called
> from cfg80211_conn_work(). Without this we are hitting multiple warnings like
> the following:
> 
> [   51.996440] ------------[ cut here ]------------
> [   51.996484] WARNING: at net/wireless/sme.c:88 cfg80211_conn_scan+0x1dc/0x3a0 [cfg80211]()

Applied, thanks. I guess I need to add

iw wlan0 scan trigger ; iw wlan0 connect -w NO_SUCH_SSID

to my tests ...

johannes

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