Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

t_linesw->l_modem would ideally be called with tty_lock held, but before

Browse Source 
that can happen someone needs to beat all the drivers into shape.
This commit is contained in:
ad 2007-12-22 15:45:15 +00:00
parent 0ec69f885b
commit 08b0783a17
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/dev/ic/z8530tty.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: z8530tty.c,v 1.118 2007/12/22 15:36:37 ad Exp $ */
/* $NetBSD: z8530tty.c,v 1.119 2007/12/22 15:45:15 ad Exp $ */
/*-
* Copyright (c) 1993, 1994, 1995, 1996, 1997, 1998, 1999
@ -137,7 +137,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: z8530tty.c,v 1.118 2007/12/22 15:36:37 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: z8530tty.c,v 1.119 2007/12/22 15:45:15 ad Exp $");
#include "opt_kgdb.h"
#include "opt_ntp.h"
@ -1887,7 +1887,9 @@ zstty_stsoft(zst, tp)
/*
* Inform the tty layer that carrier detect changed.
*/
mutex_spin_exit(&tty_lock);
(void) (*tp->t_linesw->l_modem)(tp, ISSET(rr0, ZSRR0_DCD));
mutex_spin_enter(&tty_lock);
}
if (ISSET(delta, cs->cs_rr0_cts)) {