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Fix bugs when VM shutdown with virtio-gpu unplugged

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Virtio-gpu malloc memory for the queue when it realized, but the queues was not
released when it unrealized, which resulting in a memory leak. In addition,
vm_change_state_handler is not cleaned up, which is related to vdev and will
lead to segmentation fault when VM shutdown.

Signed-off-by: wangmeiling <wangmeiling21@huawei.com>
Signed-off-by: Binfeng Wu <wubinfeng@huawei.com>
Message-Id: <7bbbc0f3-2ad9-83ca-b39b-f976d0837daf@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
wangmeiling 2023-12-14 07:22:08 +00:00 committed by Michael S. Tsirkin
parent 551bf7b4c1
commit 410cefbd5c
1 changed files with 4 additions and 0 deletions
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4
hw/display/virtio-gpu-base.c
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@ -251,7 +251,11 @@ void
virtio_gpu_base_device_unrealize(DeviceState *qdev)
{
VirtIOGPUBase *g = VIRTIO_GPU_BASE(qdev);
VirtIODevice *vdev = VIRTIO_DEVICE(qdev);
virtio_del_queue(vdev, 0);
virtio_del_queue(vdev, 1);
virtio_cleanup(vdev);
migrate_del_blocker(&g->migration_blocker);
}