[src/trunk]: src/sys/kern Fix NULL pointer access. Patch supplied by Dave Hua...

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

details:   https://anonhg.NetBSD.org/src/rev/a0c147fa35ff
branches:  trunk
changeset: 474876:a0c147fa35ff
user:      tron <tron%NetBSD.org@localhost>
date:      Sat Jul 24 15:10:02 1999 +0000

description:
Fix NULL pointer access. Patch supplied by Dave Huang in PR kern/8055.

diffstat:

 sys/kern/tty.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r ce46686775a0 -r a0c147fa35ff sys/kern/tty.c
--- a/sys/kern/tty.c    Sat Jul 24 15:06:57 1999 +0000
+++ b/sys/kern/tty.c    Sat Jul 24 15:10:02 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tty.c,v 1.114 1999/07/22 18:13:37 thorpej Exp $        */
+/*     $NetBSD: tty.c,v 1.115 1999/07/24 15:10:02 tron Exp $   */
 
 /*-
  * Copyright (c) 1982, 1986, 1990, 1991, 1993
@@ -1958,7 +1958,7 @@
                ttyprintf(tp, "empty foreground process group\n");
        else {
                /* Pick interesting process. */
-               for (pick = NULL; p != 0; p = p->p_pglist.le_next)
+               for (pick = NULL; p != NULL; p = p->p_pglist.le_next)
                        if (proc_compare(pick, p))
                                pick = p;
 
@@ -1992,7 +1992,7 @@
                ttyprintf(tp, "%d%% ", tmp / 100);
 
                /* Print resident set size. */
-               if (pick->p_stat == SIDL || P_ZOMBIE(p))
+               if (pick->p_stat == SIDL || P_ZOMBIE(pick))
                        tmp = 0;
                else {
                        register struct vmspace *vm = pick->p_vmspace;