Return-path: Received: from mail-pv0-f174.google.com ([74.125.83.174]:57670 "EHLO mail-pv0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755123Ab1EDULg (ORCPT ); Wed, 4 May 2011 16:11:36 -0400 Received: by pvg12 with SMTP id 12so652540pvg.19 for ; Wed, 04 May 2011 13:11:35 -0700 (PDT) Message-ID: <4DC1B2F3.3070300@lwfinger.net> (sfid-20110504_221139_176709_C7720780) Date: Wed, 04 May 2011 15:11:31 -0500 From: Larry Finger MIME-Version: 1.0 To: Johannes Berg CC: John Linville , wireless Subject: Re: WARNING from mac80211 References: <4DC1AF49.7080204@lwfinger.net> (sfid-20110504_215621_111957_531CD5AD) <1304539363.3563.28.camel@jlt3.sipsolutions.net> In-Reply-To: <1304539363.3563.28.camel@jlt3.sipsolutions.net> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 05/04/2011 03:02 PM, Johannes Berg wrote: > On Wed, 2011-05-04 at 14:55 -0500, Larry Finger wrote: >> Johannes and John, >> >> A regression in recent versions of mac80211 are generating the WARNING at >> net/mac80211/wep.c:101, because the skb headroom is less than WEP_IV_LEN or the >> tailroom is less than WEP_ICV_LEN. My testing indicates that it is a headroom >> problem as the following hack "fixes" it: > > See also this thread: > http://thread.gmane.org/gmane.linux.kernel.wireless.general/69062/focus=69150 > > and the resulting patch: > http://article.gmane.org/gmane.linux.kernel.wireless.general/69190 > (not sure why it was RFC?) Thanks. I do remember the thread now that you refreshed my memory. That patch does fix my problem. Larry