[src/trunk]: src/sys/kern Unlock mutex before jumping off from the critical r...

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

details:   https://anonhg.NetBSD.org/src/rev/bb55b08df530
branches:  trunk
changeset: 499490:bb55b08df530
user:      enami <enami%NetBSD.org@localhost>
date:      Tue Nov 21 03:53:27 2000 +0000

description:
Unlock mutex before jumping off from the critical region instead of
testing if locked.

diffstat:

 sys/kern/tty_pty.c |  8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)

diffs (29 lines):

diff -r a0f2636bb7d1 -r bb55b08df530 sys/kern/tty_pty.c
--- a/sys/kern/tty_pty.c        Tue Nov 21 03:47:41 2000 +0000
+++ b/sys/kern/tty_pty.c        Tue Nov 21 03:53:27 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tty_pty.c,v 1.53 2000/11/20 06:36:02 veego Exp $       */
+/*     $NetBSD: tty_pty.c,v 1.54 2000/11/21 03:53:27 enami Exp $       */
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -135,10 +135,6 @@
                if (minor(dev) >= maxptys) {
            limit_reached:
                        tablefull("pty", "increase kern.maxptys");
-#if defined(LOCKDEBUG)
-                       if (simple_lock_held(&pt_softc_mutex))
-#endif
-                               simple_unlock(&pt_softc_mutex);
                        return (ENXIO);
                }
 
@@ -162,7 +158,7 @@
                        simple_lock(&pt_softc_mutex);
 
                        if (maxptys == npty) {
-                               /* we hold the mutex here */
+                               simple_unlock(&pt_softc_mutex);
                                goto limit_reached;
                        }
                } while(newnpty > maxptys);