Return-path: Received: from cora.hrz.tu-chemnitz.de ([134.109.228.40]:58335 "EHLO cora.hrz.tu-chemnitz.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751424Ab2APMmX (ORCPT ); Mon, 16 Jan 2012 07:42:23 -0500 Received: from thor.infotech.tu-chemnitz.de ([134.109.4.200] helo=[10.0.20.2]) by cora.hrz.tu-chemnitz.de with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.76) (envelope-from ) id 1RmlTX-0006Zp-1n for linux-wireless@vger.kernel.org; Mon, 16 Jan 2012 13:15:47 +0100 Message-ID: <4F1414F3.7020007@etit.tu-chemnitz.de> (sfid-20120116_134227_470249_C757A432) Date: Mon, 16 Jan 2012 13:15:47 +0100 From: Marco Porsch MIME-Version: 1.0 To: linux-wireless@vger.kernel.org Subject: possible bug in sta_info.c : ieee80211_send_null_response Content-Type: multipart/mixed; boundary="------------050905060008050804000302" Sender: linux-wireless-owner@vger.kernel.org List-ID: This is a multi-part message in MIME format. --------------050905060008050804000302 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Hi, in this function there is some effort to set the EOSP flag in QoS Null frames: if (reason == IEEE80211_FRAME_RELEASE_UAPSD) nullfunc->qos_ctrl |= cpu_to_le16(IEEE80211_QOS_CTL_EOSP); ieee80211_xmit is called at the end of the function. Which then calls ieee80211_set_qos_hdr. But ieee80211_set_qos_hdr will completely overwrite the QoS header again. So, what is wrong here? Regards Marco --------------050905060008050804000302 Content-Type: text/x-vcard; charset=utf-8; name="marco_porsch.vcf" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="marco_porsch.vcf" begin:vcard fn:Marco Porsch n:Porsch;Marco org:Chemnitz University of Technology;Communication Networks adr;quoted-printable;quoted-printable:Fakult=3DC3=3DA4t f=3DC3=3DBCr Elek= trotechnik und Informationstechnik , Professur=3D Kommunikationsnetze;;Technische Universit=3DC3=3DA4t Chemnitz;Chemnitz;= ;D - 09107;Germany email;internet:marco.porsch@etit.tu-chemnitz.de title:Dipl.-Ing. tel;work:+49 371 531 37523 version:2.1 end:vcard --------------050905060008050804000302--