From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.atheros.com ([12.36.123.2]:33731 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750974AbZAYThg (ORCPT ); Sun, 25 Jan 2009 14:37:36 -0500 Received: from mail.atheros.com ([10.10.20.108]) by sidewinder.atheros.com for ; Sun, 25 Jan 2009 11:37:36 -0800 Date: Sun, 25 Jan 2009 11:36:56 -0800 From: "Luis R. Rodriguez" To: Luis Rodriguez CC: Michael Buesch , Jouni Malinen , "linux-wireless@vger.kernel.org" Subject: Re: regulatory: Operation already in progress Message-ID: <20090125193656.GI22475@tesla> (sfid-20090125_203742_016688_DB3062BE) References: <200901251422.42616.mb@bu3sch.de> <20090125182107.GG22475@tesla> <200901251941.38228.mb@bu3sch.de> <20090125184517.GH22475@tesla> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" In-Reply-To: <20090125184517.GH22475@tesla> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sun, Jan 25, 2009 at 10:45:17AM -0800, Luis Rodriguez wrote: > On Sun, Jan 25, 2009 at 10:41:38AM -0800, Michael Buesch wrote: > > On Sunday 25 January 2009 19:21:07 Luis R. Rodriguez wrote: > > > On Sun, Jan 25, 2009 at 05:22:42AM -0800, Michael Buesch wrote: > > > > mb@quimby:~/kernel$ sudo iw reg set DE > > > > command failed: Operation already in progress (-114) > > > > > > > > I wonder why this happens. > > > > What I just did was install 2.6.28.2 and install today's compat-wireless. > > > > > > > > In dmesg I can see it succeeded once but it doesn't work anymore now. > > > > [ 973.992710] cfg80211: Calling CRDA for country: DE > > > > [ 973.998576] cfg80211: Regulatory domain changed to country: DE > > > > [ 973.998630] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) > > > > [ 973.998691] (2400000 KHz - 2483500 KHz @ 40000 KHz), (N/A, 2000 mBm) > > > > [ 973.998738] (5150000 KHz - 5255000 KHz @ 40000 KHz), (N/A, 2301 mBm) > > > > [ 973.998785] (5470000 KHz - 5650000 KHz @ 40000 KHz), (N/A, 3000 mBm) > > > > > > Had you called twice? > > > > yeah, once manually with iw and once with hostapd. > > > > > If so we now tell userspace when its there by -EALREADY, > > > we were just silently accepting two consecutive calls before. > > > > Well, but it makes hostapd fail. > > I think it's a bit weird to throw and error code. In general most programs > > silently return success early, if an operation was already done. > > We can prevent to propagate -EALREADY to userspace -- sure, I'll cook > up the patch. Actually we could also patch hostapd to deal with -EALREADY as a success too. Its either that or we have nl80211 return 0 instead of -EALREADY. Jouni, any preference? Luis