On Tue, Apr 19, 2022 at 04:44:18PM -0400, Jagannathan Raman wrote:
> +static void dma_unregister(vfu_ctx_t *vfu_ctx, vfu_dma_info_t *info)
> +{
> + VfuObject *o = vfu_get_private(vfu_ctx);
> + AddressSpace *dma_as = NULL;
> + MemoryRegion *mr = NULL;
> + ram_addr_t offset;
> +
> + mr = memory_region_from_host(info->vaddr, &offset);
> + if (!mr) {
> + return;
> + }
> +
> + dma_as = pci_device_iommu_address_space(o->pci_dev);
> +
> + memory_region_del_subregion(dma_as->root, mr);
> +
> + object_unparent((OBJECT(mr)));
Where is obj->parent set?
If it is not set then this call is a nop and mr is not freed:
void object_unparent(Object *obj)
{
if (obj->parent) {
object_property_del_child(obj->parent, obj);
}
}
signature.asc
Description: PGP signature
