Re: [EXT] Re: [PATCH] usb: roles: try to get/put all relevant modules

Alan Stern
2024-01-18T19:21:58Z

On Thu, Jan 18, 2024 at 03:52:52PM +0000, Xu Yang wrote:
> I've tried your suggestion and it appears to be working fine. Now I'm not sure if
> the module get/put parts should be removed or to fix the NULL pointer issue. I'm
> working on this issue, so I have time to fix it. I think if first way is taken, the status
> of usb_role_switch device should be updated when it's registered/unregisterd. Or
> other issues will occur since the user doesn't know the change of usb_role_switch
> device.

These really are questions for Heikki, not me. Can you at least show us
the patch you've been testing?

I agree that the status of the current USB role should be exposed to
userspace somehow.

Alan Stern