From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755287AbaCDSpR (ORCPT ); Tue, 4 Mar 2014 13:45:17 -0500 Received: from charlotte.tuxdriver.com ([70.61.120.58]:44728 "EHLO smtp.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753959AbaCDSpQ (ORCPT ); Tue, 4 Mar 2014 13:45:16 -0500 Date: Tue, 4 Mar 2014 13:33:48 -0500 From: "John W. Linville" To: Will Deacon Cc: Ivaylo Dimitrov , "pali.rohar@gmail.com" , "pavel@ucw.cz" , "linux-wireless@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] wl1251: use skb_trim to make skb shorter Message-ID: <20140304183348.GB7317@tuxdriver.com> References: <20140225105756.GB22279@mudshark.cambridge.arm.com> <1393678326-23535-1-git-send-email-ivo.g.dimitrov.75@gmail.com> <20140304142658.GK8766@mudshark.cambridge.arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140304142658.GK8766@mudshark.cambridge.arm.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 OK, I'll queue it as a fix... On Tue, Mar 04, 2014 at 02:26:58PM +0000, Will Deacon wrote: > Hi Jonn, > > On Sat, Mar 01, 2014 at 12:52:06PM +0000, Ivaylo Dimitrov wrote: > > the current code is directly setting skb->len, which is not correct and > > brings problems with HAVE_EFFICIENT_UNALIGNED_ACCESS enabled in config > > > > Signed-off-by: Ivaylo Dimitrov > > --- > > Can you pick this patch up please? It addresses a regression introduced in > the merge window (ARM started selecting HAVE_EFFICIENT_UNALIGNED_ACCESS). > > Cheers, > > Will > > > drivers/net/wireless/ti/wl1251/rx.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > 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; > > > > -- > > 1.7.9.5 > > > > > -- John W. Linville Someday the world will need a hero, and you linville@tuxdriver.com might be all we have. Be ready.