From b79ac72e8192d3f1036a7027ffed668399183be5 Mon Sep 17 00:00:00 2001
From: Tarun Gupta <tgupta@redhat.com>
Date: Wed, 20 Jun 2018 18:54:20 +0200
Subject: [PATCH 12/17] vfio/common: cleanup in vfio_region_finalize

RH-Author: Tarun Gupta <tgupta@redhat.com>
Message-id: <1529520865-18127-7-git-send-email-tgupta@redhat.com>
Patchwork-id: 80910
O-Subject: [RHEL7.6 qemu-kvm PATCH v3 06/11] vfio/common: cleanup in vfio_region_finalize
Bugzilla: 1555246
RH-Acked-by: Alex Williamson <alex.williamson@redhat.com>
RH-Acked-by: Gerd Hoffmann <kraxel@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

(cherry picked from 92f86bff088dc6f0c0ed93b8e82d4d2459c35145)

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 hw/misc/vfio.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index 68ff949..414b689 100644
--- a/hw/misc/vfio.c
+++ b/hw/misc/vfio.c
@@ -2798,6 +2798,13 @@ static void vfio_region_finalize(VFIORegion *region)
     g_free(region->mmaps);
 
     trace_vfio_region_finalize(region->vbasedev->name, region->nr);
+
+    region->mem = NULL;
+    region->mmaps = NULL;
+    region->nr_mmaps = 0;
+    region->size = 0;
+    region->flags = 0;
+    region->nr = 0;
 }
 
 static void vfio_region_mmaps_set_enabled(VFIORegion *region, bool enabled)
-- 
1.8.3.1