From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from he.sipsolutions.net ([78.46.109.217]:33376 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752033Ab1BDNHc (ORCPT ); Fri, 4 Feb 2011 08:07:32 -0500 Subject: Re: [PATCH v2] mac80211: Fix a race on enabling power save. From: Johannes Berg To: Vivek Natarajan Cc: linville@tuxdriver.com, linux-wireless@vger.kernel.org In-Reply-To: <1296824755.3671.2.camel@jlt3.sipsolutions.net> References: <1296822326-4878-1-git-send-email-vnatarajan@atheros.com> <1296824755.3671.2.camel@jlt3.sipsolutions.net> Content-Type: text/plain; charset="UTF-8" Date: Fri, 04 Feb 2011 14:07:29 +0100 Message-ID: <1296824849.3671.3.camel@jlt3.sipsolutions.net> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Fri, 2011-02-04 at 14:05 +0100, Johannes Berg wrote: > On Fri, 2011-02-04 at 17:55 +0530, Vivek Natarajan wrote: > > > + if (!(ieee80211_is_nullfunc(hdr->frame_control) && > > + ieee80211_has_pm(hdr->frame_control)) && > > + (ifmgd->flags & IEEE80211_STA_PS_PENDING)) > > + ifmgd->flags &= ~IEEE80211_STA_PS_PENDING; > > + > > That's still just as broken before -- you can't assume ifmgd is valid > here. Err, never mind, I see you moved it. johannes