From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752832AbaETA6e (ORCPT ); Mon, 19 May 2014 20:58:34 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:51127 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751260AbaETA6d (ORCPT ); Mon, 19 May 2014 20:58:33 -0400 Date: Tue, 20 May 2014 09:58:31 +0900 From: Greg KH To: Mathias Nyman Cc: Dan Williams , USB list , "linux-kernel@vger.kernel.org" , Sarah Sharp , Alan Stern Subject: Re: [PATCH 03/10] usb: catch attempts to submit urbs with a vmalloc'd transfer buffer Message-ID: <20140520005831.GA7933@kroah.com> References: <1399566363-25837-1-git-send-email-mathias.nyman@linux.intel.com> <1399566363-25837-4-git-send-email-mathias.nyman@linux.intel.com> <5370E22E.8000304@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5370E22E.8000304@linux.intel.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 12, 2014 at 06:01:02PM +0300, Mathias Nyman wrote: > On 05/08/2014 07:21 PM, Dan Williams wrote: > > On Thu, May 8, 2014 at 9:25 AM, Mathias Nyman > > wrote: > >> From: Dan Williams > >> > >> Save someone else the debug cycles of figuring out why a driver's > >> transfer request is failing or causing undefined system behavior. > >> Buffers submitted for dma must come from GFP allocated / DMA-able > >> memory. > >> > >> Return -EAGAIN matching the return value for dma_mapping_error() cases. > >> > >> Cc: Alan Stern > >> Cc: Sarah Sharp > >> Cc: Mathias Nyman > >> Signed-off-by: Dan Williams > >> Signed-off-by: Mathias Nyman > > > > Thanks Mathias. > > > > One note, this was acked-by Alan here: > > > > http://marc.info/?l=linux-usb&m=139327920501989&w=2 > > > > Ah, Right > > Greg, Alan, Should I resubmit this series with the added ACK for this patch? No need, I can add it.