linux-kernel - Re: [PATCH 03/10] usb: catch attempts to submit urbs with a vmalloc'd transfer buffer

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Message-ID: <5370E22E.8000304@linux.intel.com>
Date:	Mon, 12 May 2014 18:01:02 +0300
From:	Mathias Nyman <mathias.nyman@...ux.intel.com>
To:	Dan Williams <dan.j.williams@...el.com>,
	Greg KH <gregkh@...uxfoundation.org>
CC:	USB list <linux-usb@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Sarah Sharp <sarah.a.sharp@...ux.intel.com>,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: [PATCH 03/10] usb: catch attempts to submit urbs with a vmalloc'd
 transfer buffer

On 05/08/2014 07:21 PM, Dan Williams wrote:
> On Thu, May 8, 2014 at 9:25 AM, Mathias Nyman
> <mathias.nyman@...ux.intel.com> wrote:
>> From: Dan Williams <dan.j.williams@...el.com>
>>
>> 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 <stern@...land.harvard.edu>
>> Cc: Sarah Sharp <sarah.a.sharp@...ux.intel.com>
>> Cc: Mathias Nyman <mathias.nyman@...ux.intel.com>
>> Signed-off-by: Dan Williams <dan.j.williams@...el.com>
>> Signed-off-by: Mathias Nyman <mathias.nyman@...ux.intel.com>
>
> 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?

-Mathias
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