From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Wed, 22 Oct 2014 20:47:18 +0000 (-0700)
Subject: hyperv: Fix the total_data_buflen in send path
X-Git-Tag: omap-for-v3.19/fixes-not-urgent-part1~25^2~43
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=942396b01989d54977120f3625e5ba31afe7a75c;p=pandora-kernel.git

hyperv: Fix the total_data_buflen in send path

total_data_buflen is used by netvsc_send() to decide if a packet can be put
into send buffer. It should also include the size of RNDIS message before the
Ethernet frame. Otherwise, a messge with total size bigger than send_section_size
may be copied into the send buffer, and cause data corruption.

[Request to include this patch to the Stable branches]

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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