On 10.08.2018 03:42, Qi Zhang wrote:

With the enabling for hotplug on multi-process, it is not necessary
to prevent detaching a device from a secondary process.

Signed-off-by: Qi Zhang <redacted>

 From the patch itself including description it is absolutely unclear
why detach works and where it actually happens.
Why is it OK to return 0 instead of error and that's it.
Why is it necessary to call uninit at all in the case of secondary
processes?