Re: [PATCH 1/2] net/hyperv: Fix data corruption inrndis_filter_receive()

From: David Miller
Date: Fri Mar 09 2012 - 16:51:26 EST


From: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Date: Fri, 9 Mar 2012 13:27:16 -0800

> Limiting the memcpy to be the sizeof(struct rndis_message) can truncate
> the message if there are Per-Packet-Info or Out-of-Band data.
>
> In my earlier patch (commit 45326342), the unnecessary kmap_atomic and
> kunmap_atomic surrounding this memcpy have been removed because the memory
> in the receive buffer is always mapped. This memcpy is not necessary
> either. To fix the bug, I removed the memcpy.
>
> Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> Reviewed-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>

Well, where the heck is patch 2/2?
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