CVS commit: src/sys/dev/usb

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Sat Jun 12 13:58:06 UTC 2021

Modified Files:
        src/sys/dev/usb: usb_subr.c usbdi.c usbdivar.h xhci.c

Log Message:
usb(4): Fix racy endpoint reference counting.

Rules:

1. After usbd_setup_pipe*, must usbd_kill_pipe.
2. After usbd_open_pipe*, must usbd_close_pipe.

Still haven't merged the logic in usbd_kill_pipe and usbd_close_pipe,
but getting closer.


To generate a diff of this commit:
cvs rdiff -u -r1.254 -r1.255 src/sys/dev/usb/usb_subr.c
cvs rdiff -u -r1.206 -r1.207 src/sys/dev/usb/usbdi.c
cvs rdiff -u -r1.124 -r1.125 src/sys/dev/usb/usbdivar.h
cvs rdiff -u -r1.145 -r1.146 src/sys/dev/usb/xhci.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.