In function virtio_gpufb_create, a virtio_gpu_object is allocated for
framebuffer using virtio_gpu_alloc_object.
In virtio_gpu_fbdev_destroy, instead of freeing the object, pointer to
it is set to NULL. This leads to memory leak during framebuffer
destruction, which is reported to kmesg with a mes
In function virtio_gpufb_create, a virtio_gpu_object is allocated for
framebuffer using virtio_gpu_alloc_object.
In virtio_gpu_fbdev_destroy, instead of freeing the object, pointer to
it is set to NULL. This leads to memory leak during framebuffer
destruction, which is reported to kmesg with a mes