Re: kern/48243 (inconsistant usage of 'up->parent' in usb_subr.c)

To: kern-bug-people%netbsd.org@localhost,netbsd-bugs%netbsd.org@localhost,gnats-admin%netbsd.org@localhost,skrll%NetBSD.org@localhost,Wolfgang.Stukenbrock%nagler-company.com@localhost
Subject: Re: kern/48243 (inconsistant usage of 'up->parent' in usb_subr.c)
From: skrll%NetBSD.org@localhost
Date: Mon, 3 Oct 2016 06:50:49 +0000 (UTC)

Synopsis: inconsistant usage of 'up->parent' in usb_subr.c

State-Changed-From-To: open->feedback
State-Changed-By: skrll%NetBSD.org@localhost
State-Changed-When: Mon, 03 Oct 2016 06:50:49 +0000
State-Changed-Why:
The only time up->up_parent is non-NULL is for a root hub. Here the
usbd_get_initial_ddsec can (should?) never fail and therefore the
usbd_reset_port won't happen.

Is the code as-is really a problem?

Follow-Ups:
- Re: kern/48243 (inconsistant usage of 'up->parent' in usb_subr.c)
  - From: Wolfgang Stukenbrock

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