Re: [Qemu-devel] [PATCH 09/13] Add exit callback to DeviceInfo.

[Gerd Hoffmann]

On 09/22/09 12:06, Christoph Egger wrote:
> On Tuesday 22 September 2009 11:29:23 Gerd Hoffmann wrote:
> > This adds a exit callback for device destruction to DeviceInfo, so
> > we can hook cleanups into qdev device destruction.
>
> This is not enough.
> You need a childexit to allow devices to cleanup their children
> in the device tree first.

qdev will do that for you.  Check out patch #8 and the new qbus_free() 
function added there.

Of course the bus implementations must make use of the exit hook so it 
actually works, the following patches do that for pci, scsi and usb.

cheers,
  Gerd