From: David Hildenbrand <da...@redhat.com> Checking against guest features is wrong. We allocated data structures based on host features. We can rely on "free_page_bh" as an indicator whether to un-do stuff instead.
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com> Reviewed-by: Alexander Duyck <alexander.h.du...@linux.intel.com> Fixes: c13c4153f76d ("virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT") Cc: qemu-sta...@nongnu.org Cc: Wei Wang <wei.w.w...@intel.com> Cc: Michael S. Tsirkin <m...@redhat.com> Cc: Philippe Mathieu-Daudé <phi...@redhat.com> Cc: Alexander Duyck <alexander.du...@gmail.com> Signed-off-by: David Hildenbrand <da...@redhat.com> Message-Id: <20200520100439.19872-3-da...@redhat.com> Reviewed-by: Michael S. Tsirkin <m...@redhat.com> Signed-off-by: Michael S. Tsirkin <m...@redhat.com> --- hw/virtio/virtio-balloon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c index 7ff6a7aa7c..32e9fe3f64 100644 --- a/hw/virtio/virtio-balloon.c +++ b/hw/virtio/virtio-balloon.c @@ -818,7 +818,7 @@ static void virtio_balloon_device_unrealize(DeviceState *dev) VirtIODevice *vdev = VIRTIO_DEVICE(dev); VirtIOBalloon *s = VIRTIO_BALLOON(dev); - if (virtio_balloon_free_page_support(s)) { + if (s->free_page_bh) { qemu_bh_delete(s->free_page_bh); virtio_balloon_free_page_stop(s); precopy_remove_notifier(&s->free_page_report_notify); -- MST