linux-kernel - Re: BUG: scheduling while atomic: ifconfig/0x00000002/4170

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Message-Id: <1189175759.28781.169.camel@johannes.berg>
Date:	Fri, 07 Sep 2007 16:35:59 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	paulmck@...ux.vnet.ibm.com
Cc:	Herbert Xu <herbert@...dor.apana.org.au>, satyam@...radead.org,
	flo@...822.org, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, linux-wireless@...r.kernel.org,
	michal.k.k.piotrowski@...il.com,
	ipw3945-devel@...ts.sourceforge.net, yi.zhu@...el.com,
	flamingice@...rmilk.net
Subject: Re: BUG: scheduling while atomic: ifconfig/0x00000002/4170

On Fri, 2007-09-07 at 07:25 -0700, Paul E. McKenney wrote:

> > > > @@ -226,22 +225,22 @@ void ieee80211_if_reinit(struct net_devi
> > > >  		/* Remove all virtual interfaces that use this BSS
> > > >  		 * as their sdata->bss */
> > > >  		struct ieee80211_sub_if_data *tsdata, *n;
> > > > -		LIST_HEAD(tmp_list);
> > > > 
> > > > -		write_lock_bh(&local->sub_if_lock);
> > > 
> > > This code is also protected by RTNL?
> > 
> > Yes.
> 
> Comment?  (Or is it in the function header?)

Oh, forgot to say: yes, there is a comment further up and even an
ASSERT_RTNL()

johannes

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