From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752683AbaBYK6i (ORCPT ); Tue, 25 Feb 2014 05:58:38 -0500 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:57461 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751134AbaBYK6h (ORCPT ); Tue, 25 Feb 2014 05:58:37 -0500 Date: Tue, 25 Feb 2014 10:57:56 +0000 From: Will Deacon To: Ivaylo Dimitrov Cc: LKML , "linux@arm.linux.org.uk" , "linux-arm-kernel@lists.infradead.org" , Pavel Machek , Sebastian Reichel , Pali =?iso-8859-1?Q?Roh=E1r?= , "kvalo@qca.qualcomm.com" , "linville@tuxdriver.com" Subject: Re: [BISECTED] ssh - Received disconnect from x.x.x.x: 2: Bad packet length 3149594624 Message-ID: <20140225105756.GB22279@mudshark.cambridge.arm.com> References: <52FD08D1.3030405@gmail.com> <20140213182105.GN13576@mudshark.cambridge.arm.com> <52FD1243.9040706@gmail.com> <20140213192909.GO13576@mudshark.cambridge.arm.com> <52FE407C.3080002@gmail.com> <20140214162458.GF21986@mudshark.cambridge.arm.com> <530C4C9B.7050104@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <530C4C9B.7050104@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ivaylo, On Tue, Feb 25, 2014 at 07:56:11AM +0000, Ivaylo Dimitrov wrote: > On 14.02.2014 18:24, Will Deacon wrote: > > You could try putting back the UNALIGNED_ACCESS in net/mac80211/rx.c and > > commenting out the skb->len = desc->length - PLCP_HEADER_LENGTH; line > > above. > > > > the following patch > > diff --git a/drivers/net/wireless/ti/wl1251/rx.c > b/drivers/net/wireless/ti/wl1251/rx.c > index 123c4bb..cde0eaf 100644 > --- a/drivers/net/wireless/ti/wl1251/rx.c > +++ b/drivers/net/wireless/ti/wl1251/rx.c > @@ -180,7 +180,7 @@ static void wl1251_rx_body(struct wl1251 *wl, > wl1251_mem_read(wl, rx_packet_ring_addr, rx_buffer, length); > > /* The actual length doesn't include the target's alignment */ > - skb->len = desc->length - PLCP_HEADER_LENGTH; > + skb_trim(skb, desc->length - PLCP_HEADER_LENGTH); > > fc = (u16 *)skb->data; > > seems to fix the issue, including those "corrupt probe response" > messages in dmesg log (I took that 'skb_trim' from the original Nokia > kernel). Will send a properly formatted patch shortly. Good idea -- don't forget to CC linux-wireless, as suggested by Kalle. Will