Return-path: Received: from s3.sipsolutions.net ([144.76.43.152]:39146 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752075Ab3LBOtK (ORCPT ); Mon, 2 Dec 2013 09:49:10 -0500 Message-ID: <1385995738.20277.4.camel@jlt4.sipsolutions.net> (sfid-20131202_154942_691295_8B570393) Subject: Re: [PATCH] net: mac80211: tx.c: be sure of 'sdata->vif.type' must be NL80211_IFTYPE_AP when be in NL80211_IFTYPE_AP case From: Johannes Berg To: Joe Perches Cc: Chen Gang , "John W. Linville" , rkuo , "linux-kernel@vger.kernel.org" , David Miller , linux-wireless@vger.kernel.org, netdev Date: Mon, 02 Dec 2013 15:48:58 +0100 In-Reply-To: <1385937499.2664.21.camel@joe-AO722> References: <528AEFB7.4060301@gmail.com> <20131125011938.GB18921@codeaurora.org> <5292B845.3010404@gmail.com> <5292B8A0.7020409@gmail.com> <5294255E.7040105@gmail.com> <52957ADA.2080704@gmail.com> (sfid-20131127_055211_558798_A7DF5684) <1385739487.8656.1.camel@jlt4.sipsolutions.net> <5299D306.7070701@gmail.com> (sfid-20131130_125901_519610_EDA4068E) <1385816013.4327.1.camel@jlt4.sipsolutions.net> <5299ED38.4090509@gmail.com> <5299EFDD.6060405@gmail.com> (sfid-20131130_150205_984535_068F14A9) <1385842134.6108.4.camel@jlt4.sipsolutions.net> <1385843940.2664.4.camel@joe-AO722> <1385890523.4171.1.camel@jlt4.sipsolutions.net> <1385937499.2664.21.camel@joe-AO722> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sun, 2013-12-01 at 14:38 -0800, Joe Perches wrote: > On Sun, 2013-12-01 at 10:35 +0100, Johannes Berg wrote: > > Good try, but no, now ap_sdata isn't even assigned. :) > > Right. Oh well. There's no improving this without > significant rewrite. Even then, there may not be much > overall improvement. I could see an improvement if we were to actually make changes to assign the pointer based on the iftype, when that changes, so that each function only has to handle the right type and we don't need the switch statement at all... But that's tricky to get right and I'm between vacations and holidays and all that ... johannes