diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/tty.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/kern/tty.c b/sys/kern/tty.c index 2fb04ad11aa..41b42bab418 100644 --- a/sys/kern/tty.c +++ b/sys/kern/tty.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tty.c,v 1.111 2014/07/12 18:43:32 tedu Exp $ */ +/* $OpenBSD: tty.c,v 1.112 2014/07/13 14:56:56 guenther Exp $ */ /* $NetBSD: tty.c,v 1.68.4.2 1996/06/06 16:04:52 thorpej Exp $ */ /*- @@ -2149,7 +2149,7 @@ ttyinfo(struct tty *tp) else if (tp->t_pgrp == NULL) ttyprintf(tp, "no foreground process group\n"); else if ((pr = LIST_FIRST(&tp->t_pgrp->pg_members)) == NULL) - ttyprintf(tp, "empty foreground process group\n"); +empty: ttyprintf(tp, "empty foreground process group\n"); else { const char *state; fixpt_t pctcpu, pctcpu2; @@ -2219,6 +2219,8 @@ update_pickpr: * Otherwise take the newest thread */ pick = p = TAILQ_FIRST(&pickpr->ps_threads); + if (p == NULL) + goto empty; run = p->p_stat == SRUN || p->p_stat == SONPROC; pctcpu = p->p_pctcpu; while ((p = TAILQ_NEXT(p, p_thr_link)) != NULL) { |