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2264750483
This mimics what is done in qdev_device_add, and lets the device be freed in case something goes wrong. Otherwise, object_unparent returns immediately without freeing the device, which is on the other hand left in the parent bus's list of children. scsi_bus_legacy_handle_cmdline then returns an error, and the HBA is destroyed as well with object_unparent. But the lingering device that was not removed in scsi_bus_legacy_add_drive cannot be removed now either, and bus_unparent gets stuck in an infinite loop trying to empty the list of children. The right fix of course would be to assert in bus_add_child that the device already has a bus, and remove the "safety net" that adds the drive to the QOM tree in device_set_realized. I am not yet sure whether that would entail changing all callers to qdev_create (as well as isa_create and usb_create and the corresponding _try_create versions). Reported-by: Markus Armbruster <armbru@redhat.com> Tested-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| .. | ||
| esp-pci.c | ||
| esp.c | ||
| lsi53c895a.c | ||
| Makefile.objs | ||
| megasas.c | ||
| mfi.h | ||
| scsi-bus.c | ||
| scsi-disk.c | ||
| scsi-generic.c | ||
| spapr_vscsi.c | ||
| srp.h | ||
| vhost-scsi.c | ||
| viosrp.h | ||
| virtio-scsi-dataplane.c | ||
| virtio-scsi.c | ||
| vmw_pvscsi.c | ||
| vmw_pvscsi.h | ||