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Unlock mutex before jumping off from the critical region instead of

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testing if locked.
This commit is contained in:
enami 2000-11-21 03:53:27 +00:00
parent 6bc7e18094
commit 29f1bcd8e2
1 changed files with 2 additions and 6 deletions
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8
sys/kern/tty_pty.c
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@ -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 @@ check_pty(dev)
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 @@ check_pty(dev)
simple_lock(&pt_softc_mutex);
if (maxptys == npty) {
/* we hold the mutex here */
simple_unlock(&pt_softc_mutex);
goto limit_reached;
}
} while(newnpty > maxptys);