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virtio-gpu: skip update cursor in post_load if we don't have one 

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 <wanghaibin.wang@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: wanghaibin <wanghaibin.wang@huawei.com>
Message-id: 20170710070432.856-1-kraxel@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2017-07-10 09:04:32 +02:00
parent 6e2c463343
commit 10750ee0d6
1 changed files with 3 additions and 1 deletions
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4
hw/display/virtio-gpu.c
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@ -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);
}