virtio-iommu: Check gtrees are non null before destroying them
commit59bf980d22af00880ab7f24f3da3c40e0cf13e98
authorEric Auger <eric.auger@redhat.com>
Tue, 8 Sep 2020 19:33:08 +0000 (8 21:33 +0200)
committerMichael S. Tsirkin <mst@redhat.com>
Tue, 29 Sep 2020 06:14:30 +0000 (29 02:14 -0400)
tree3e4793d9dfad50b6eec7dddc0332dd256a430190
parent63e79833c46fa6d21efb1c4d966b0a204c4b7b0f
virtio-iommu: Check gtrees are non null before destroying them

If realize fails, domains and endpoints trees may be NULL. On
unrealize(), this produces assertions:

"GLib: g_tree_destroy: assertion 'tree != NULL' failed"

Check that the trees are non NULL before destroying them.

Cc: qemu-stable@nongnu.org
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200908193309.20569-2-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/virtio/virtio-iommu.c