spice: switch to queue for vga mode updates

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/hw/qxl.c b/hw/qxl.c
index 5b3f484266..257a37d3c5 100644
--- a/hw/qxl.c
+++ b/hw/qxl.c
@@ -597,9 +597,9 @@ static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
     case QXL_MODE_VGA:
         ret = false;
         qemu_mutex_lock(&qxl->ssd.lock);
-        if (qxl->ssd.update != NULL) {
-            update = qxl->ssd.update;
-            qxl->ssd.update = NULL;
+        update = QTAILQ_FIRST(&qxl->ssd.updates);
+        if (update != NULL) {
+            QTAILQ_REMOVE(&qxl->ssd.updates, update, next);
             *ext = update->ext;
             ret = true;
         }