From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752352AbaBYH4U (ORCPT ); Tue, 25 Feb 2014 02:56:20 -0500 Received: from mail-ee0-f50.google.com ([74.125.83.50]:37258 "EHLO mail-ee0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750707AbaBYH4T (ORCPT ); Tue, 25 Feb 2014 02:56:19 -0500 Message-ID: <530C4C9B.7050104@gmail.com> Date: Tue, 25 Feb 2014 09:56:11 +0200 From: Ivaylo Dimitrov User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 MIME-Version: 1.0 To: Will Deacon CC: LKML , "linux@arm.linux.org.uk" , "linux-arm-kernel@lists.infradead.org" , Pavel Machek , Sebastian Reichel , =?ISO-8859-1?Q?Pali_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 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> In-Reply-To: <20140214162458.GF21986@mudshark.cambridge.arm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, 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. Thanks, Ivo