From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933073Ab0G3SJr (ORCPT ); Fri, 30 Jul 2010 14:09:47 -0400 Received: from kroah.org ([198.145.64.141]:59188 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932764Ab0G3R5g (ORCPT ); Fri, 30 Jul 2010 13:57:36 -0400 X-Mailbox-Line: From gregkh@clark.site Fri Jul 30 10:51:50 2010 Message-Id: <20100730175149.998070695@clark.site> User-Agent: quilt/0.48-11.2 Date: Fri, 30 Jul 2010 10:53:14 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Stanislaw Gruszka , "John W. Linville" Subject: [177/205] mac80211: fix supported rates IE if AP doesnt give us its rates In-Reply-To: <20100730175238.GA3924@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.34-stable review patch. If anyone has any objections, please let us know. ------------------ From: Stanislaw Gruszka commit 76f273640134f3eb8257179cd5b3bc6ba5fe4a96 upstream. If AP do not provide us supported rates before assiociation, send all rates we are supporting instead of empty information element. v1 -> v2: Add comment. Signed-off-by: Stanislaw Gruszka Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman --- net/mac80211/work.c | 28 +++++++++++++++++++--------- 1 file changed, 19 insertions(+), 9 deletions(-) --- a/net/mac80211/work.c +++ b/net/mac80211/work.c @@ -213,15 +213,25 @@ static void ieee80211_send_assoc(struct sband = local->hw.wiphy->bands[wk->chan->band]; - /* - * Get all rates supported by the device and the AP as - * some APs don't like getting a superset of their rates - * in the association request (e.g. D-Link DAP 1353 in - * b-only mode)... - */ - rates_len = ieee80211_compatible_rates(wk->assoc.supp_rates, - wk->assoc.supp_rates_len, - sband, &rates); + if (wk->assoc.supp_rates_len) { + /* + * Get all rates supported by the device and the AP as + * some APs don't like getting a superset of their rates + * in the association request (e.g. D-Link DAP 1353 in + * b-only mode)... + */ + rates_len = ieee80211_compatible_rates(wk->assoc.supp_rates, + wk->assoc.supp_rates_len, + sband, &rates); + } else { + /* + * In case AP not provide any supported rates information + * before association, we send information element(s) with + * all rates that we support. + */ + rates = ~0; + rates_len = sband->n_bitrates; + } skb = alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) + /* bit too much but doesn't matter */