[src/trunk]: src/sys/dev/usb Fix a buglet in framelist locking.

[augustss <augustss%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ad25f8928914
branches:  trunk
changeset: 480740:ad25f8928914
user:      augustss <augustss%NetBSD.org@localhost>
date:      Wed Jan 19 01:02:11 2000 +0000

description:
Fix a buglet in framelist locking.

diffstat:

 sys/dev/usb/uhci.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 3bd66b26e7e6 -r ad25f8928914 sys/dev/usb/uhci.c
--- a/sys/dev/usb/uhci.c        Wed Jan 19 01:00:07 2000 +0000
+++ b/sys/dev/usb/uhci.c        Wed Jan 19 01:02:11 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uhci.c,v 1.77 2000/01/18 20:23:42 augustss Exp $       */
+/*     $NetBSD: uhci.c,v 1.78 2000/01/19 01:02:11 augustss Exp $       */
 /*     $FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $       */
 
 /*
@@ -796,7 +796,7 @@
 {
        int s = splusb();
 
-       while (sc->sc_vflock) {
+       while (sc->sc_vflock & UHCI_HAS_LOCK) {
                sc->sc_vflock |= UHCI_WANT_LOCK;
                tsleep(&sc->sc_vflock, PRIBIO, "uhcqhl", 0);
        }