From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Fri, 3 Aug 2012 09:32:18 +0000 (+0000)
Subject: hyperv: Move wait completion msg code into rndis_filter_halt_device()
X-Git-Tag: v3.6-rc2~24^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae9e63bb2c0cf5437d9d13d822b27149336c6e0e;p=pandora-kernel.git

hyperv: Move wait completion msg code into rndis_filter_halt_device()

We need to wait for send_completion msg before put_rndis_request() at
the end of rndis_filter_halt_device(). Otherwise, netvsc_send_completion()
may reference freed memory which is overwritten, and cause panic.

Reported-by: Long Li <longli@microsoft.com>
Reported-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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