From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Fri, 5 Apr 2013 11:44:40 +0000 (+0000)
Subject: hyperv: Fix RNDIS send_completion code path
X-Git-Tag: v3.9-rc7~26^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f1ea3cd70110d482ef1ce6ef158df113aa366f43;p=pandora-kernel.git

hyperv: Fix RNDIS send_completion code path

In some cases, the VM_PKT_COMP message can arrive later than RNDIS completion
message, which will free the packet memory. This may cause panic due to access
to freed memory in netvsc_send_completion().

This patch fixes this problem by removing rndis_filter_send_request_completion()
from the code path. The function was a no-op.

Reported-by: Long Li <longli@microsoft.com>
Tested-by: Long Li <longli@microsoft.com>
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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