[PATCH 1/6] Add ancillary bus support

[Jason Gunthorpe]

On Thu, Oct 01, 2020 at 01:05:51PM +0200, Greg KH wrote:
 
> You have to be _VERY_ careful after calling
> ancillary_device_initialize(), as now you can not just free up the
> memory if something goes wrong before ancillary_device_add() is called,
> right?

I've looked at way too many versions of this patch and related. This
is the only one so far that I didn't find various bugs on the error
cases.

Jason