From 269bd822e7f5ab80048b05fb7076236ed66ffbce Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Thu, 4 Sep 2014 13:32:54 +0300 Subject: virtio: don't call device on !vm_running On vm stop, virtio changes vm_running state too soon, so callbacks can get envoked with vm_running = false; Cc: qemu-stable@nongnu.org Cc: Jason Wang Signed-off-by: Michael S. Tsirkin Signed-off-by: Stefan Hajnoczi --- hw/virtio/virtio.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 5c981801f3..ac222385d6 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -1108,7 +1108,10 @@ static void virtio_vmstate_change(void *opaque, int running, RunState state) BusState *qbus = qdev_get_parent_bus(DEVICE(vdev)); VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus); bool backend_run = running && (vdev->status & VIRTIO_CONFIG_S_DRIVER_OK); - vdev->vm_running = running; + + if (running) { + vdev->vm_running = running; + } if (backend_run) { virtio_set_status(vdev, vdev->status); @@ -1121,6 +1124,10 @@ static void virtio_vmstate_change(void *opaque, int running, RunState state) if (!backend_run) { virtio_set_status(vdev, vdev->status); } + + if (!running) { + vdev->vm_running = running; + } } void virtio_init(VirtIODevice *vdev, const char *name, -- cgit v1.2.3