From: Tiwei Bie <tiwei.bie@intel.com>
Date: Thu, 25 Jan 2018 07:12:43 +0000 (+0800)
Subject: virtio-balloon: unref the memory region before continuing
X-Git-Tag: v2.11.2~108
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b940928fa06d766ff354e7d7d204587b5b8d78fe;p=thirdparty%2Fqemu.git

virtio-balloon: unref the memory region before continuing

Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit b86107ab43b804e899a226fe287e34ab8acef596)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---

diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index 37cde389826..651fa70ca68 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -234,6 +234,7 @@ static void virtio_balloon_handle_output(VirtIODevice *vdev, VirtQueue *vq)
                 memory_region_is_rom(section.mr) ||
                 memory_region_is_romd(section.mr)) {
                 trace_virtio_balloon_bad_addr(pa);
+                memory_region_unref(section.mr);
                 continue;
             }