Module Name: src Committed By: martin Date: Sat Dec 12 12:58:51 UTC 2020
Modified Files: src/sys/dev/usb [netbsd-8]: ucom.c Log Message: Pull up following revision(s) (requested by mrg in ticket #1636): sys/dev/usb/ucom.c: revision 1.128 properly wait for refcounts to drain. fixes panic at detach that jmnceill saw. XXX: pullup-[89]. To generate a diff of this commit: cvs rdiff -u -r1.118.8.4 -r1.118.8.5 src/sys/dev/usb/ucom.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/usb/ucom.c diff -u src/sys/dev/usb/ucom.c:1.118.8.4 src/sys/dev/usb/ucom.c:1.118.8.5 --- src/sys/dev/usb/ucom.c:1.118.8.4 Tue May 7 18:47:01 2019 +++ src/sys/dev/usb/ucom.c Sat Dec 12 12:58:51 2020 @@ -1,4 +1,4 @@ -/* $NetBSD: ucom.c,v 1.118.8.4 2019/05/07 18:47:01 martin Exp $ */ +/* $NetBSD: ucom.c,v 1.118.8.5 2020/12/12 12:58:51 martin Exp $ */ /* * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc. @@ -34,7 +34,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: ucom.c,v 1.118.8.4 2019/05/07 18:47:01 martin Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ucom.c,v 1.118.8.5 2020/12/12 12:58:51 martin Exp $"); #ifdef _KERNEL_OPT #include "opt_usb.h" @@ -431,7 +431,7 @@ ucom_detach(device_t self, int flags) } sc->sc_refcnt--; - while (sc->sc_refcnt > 0) { + while (sc->sc_refcnt >= 0) { /* Wake up anyone waiting */ if (tp != NULL) { mutex_spin_enter(&tty_lock);