[Qemu-devel] [PATCH] virtio-gpu: skip update cursor in post_load if we don't have one

[Gerd Hoffmann]

If the cursor resource id isn't set the guest didn't define a cursor.
Skip the cursor update in post_load in that that case.

Reported-by: wanghaibin <address@hidden>
Signed-off-by: Gerd Hoffmann <address@hidden>
---
 hw/display/virtio-gpu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 58dc0b2737..eef11083d7 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -1092,7 +1092,9 @@ static int virtio_gpu_load(QEMUFile *f, void *opaque, 
size_t size,
 
         dpy_gfx_replace_surface(scanout->con, scanout->ds);
         dpy_gfx_update(scanout->con, 0, 0, scanout->width, scanout->height);
-        update_cursor(g, &scanout->cursor);
+        if (scanout->cursor.resource_id) {
+            update_cursor(g, &scanout->cursor);
+        }
         res->scanout_bitmask |= (1 << i);
     }
 
-- 
2.9.3