On 12/11/14 03:01, Frank Praznik wrote:
> Replace stack buffers with kernel allocated buffers when sending
> and receiving HID reports to prevent issues with DMA transfers
> on certain hardware.
> 
> Output report buffers are allocated at initialization time to avoid
> excessive kmalloc and kfree calls.
> 
> Signed-off-by: Frank Praznik <[email protected]>
> ---
> 
>  I'm CC-ing the original bug reporter to see if he can test this patch
>  on whatever platform was giving him trouble as I can't replicate the
>  reported error on my end.

Seems to work fine with the patch. Thanks!

FWIW, this is 3.17.1-hardened (I wonder if the grsecurity patches have
anything to do with it... maybe they do something to the stack) on an
Intel 7 Series (Panther Point) PCH's EHCI controller (with a couple of
hubs along the way).

-- 
Hector Martin ([email protected])
Public Key: http://www.marcansoft.com/marcan.asc

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