From: Michael S. Tsirkin <mst@redhat.com>
Date: Tue, 19 Jul 2011 10:19:18 +0000 (+0300)
Subject: vhost: fix zcopy reference counting
X-Git-Tag: v3.1-rc1~316^2~91^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=75fd9edc1054a1fa1d1411adec368dadf68e764e;p=pandora-kernel.git

vhost: fix zcopy reference counting

Fix get/put refcount imbalance with zero copy,
which caused qemu to hang forever on guest driver unload.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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