Re: Patch "USB: mos7720: fix broken control requests" has been added to the 3.10-stable tree

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On Fri, Aug 16, 2013 at 03:59:41PM -0700, Greg KH wrote:
> 
> This is a note to let you know that I've just added the patch titled
> 
>     USB: mos7720: fix broken control requests
> 
> to the 3.10-stable tree which can be found at:
>     http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
> 
> The filename of the patch is:
>      usb-mos7720-fix-broken-control-requests.patch
> and it can be found in the queue-3.10 subdirectory.
> 
> If you, or anyone else, feels it should not be added to the stable tree,
> please let <stable@xxxxxxxxxxxxxxx> know about it.

Greg,

You should probably hold this one off (from all three stable trees)
until the memory-flag fix is in Linus' tree as well:

	http://marc.info/?l=kernel-janitors&m=137665695103660&w=2

Johan

> From ef6c8c1d733e244f0499035be0dabe1f4ed98c6f Mon Sep 17 00:00:00 2001
> From: Johan Hovold <jhovold@xxxxxxxxx>
> Date: Tue, 13 Aug 2013 13:27:34 +0200
> Subject: USB: mos7720: fix broken control requests
> 
> From: Johan Hovold <jhovold@xxxxxxxxx>
> 
> commit ef6c8c1d733e244f0499035be0dabe1f4ed98c6f upstream.
> 
> The parallel-port code of the drivers used a stack allocated
> control-request buffer for asynchronous (and possibly deferred) control
> requests. This not only violates the no-DMA-from-stack requirement but
> could also lead to corrupt control requests being submitted.
> 
> Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
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