From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from he.sipsolutions.net ([78.46.109.217]:60537 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754068Ab0LGUyl (ORCPT ); Tue, 7 Dec 2010 15:54:41 -0500 Subject: Re: [PATCH 5/5] mac80211: fix issuing idle calls when device open count is 0 From: Johannes Berg To: "Luis R. Rodriguez" Cc: Luis Rodriguez , "linville@tuxdriver.com" , "linux-wireless@vger.kernel.org" , Amod Bodas , "pstew@google.com" , "stable@kernel.org" In-Reply-To: References: <1291690135-4535-1-git-send-email-lrodriguez@atheros.com> <1291690135-4535-6-git-send-email-lrodriguez@atheros.com> <1291714709.3607.2.camel@jlt3.sipsolutions.net> <1291736887.3607.47.camel@jlt3.sipsolutions.net> <1291737298.3607.48.camel@jlt3.sipsolutions.net> <20101207155916.GA1855@tux> <1291743121.3607.50.camel@jlt3.sipsolutions.net> <1291745567.3607.52.camel@jlt3.sipsolutions.net> Content-Type: text/plain; charset="UTF-8" Date: Tue, 07 Dec 2010 21:54:34 +0100 Message-ID: <1291755274.3607.59.camel@jlt3.sipsolutions.net> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, 2010-12-07 at 12:49 -0800, Luis R. Rodriguez wrote: > > In what situation? When you just suspend while things are up&running, or > > if you suspend with interfaces down? > > I believe Paul was suspending when the interface is up and running. Ok. > > It doesn't make sense anyway, so > > something's going on in the rest of the scan code -- we should be > > canceling scans properly when going down and when suspending, well > > before any of this becomes relevant. > > The issue might be we race to stop the device prior to canceling a > scan. Do you see that being possible? Not really, since we do scan_cancel() within suspend()... I guess I'd like to find out why that doesn't do what I think it does. johannes