Fix previous commit by making sure we are not dereferencing uninitialized

pointers.

diff --git a/sys/arch/vax/vax/pmap.c b/sys/arch/vax/vax/pmap.c
index 2ce070f..68489fc 100644 (file)
--- a/sys/arch/vax/vax/pmap.c
+++ b/sys/arch/vax/vax/pmap.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: pmap.c,v 1.65 2014/05/15 03:52:25 guenther Exp $ */
+/*     $OpenBSD: pmap.c,v 1.66 2014/05/17 21:21:17 miod Exp $ */
 /*     $NetBSD: pmap.c,v 1.74 1999/11/13 21:32:25 matt Exp $      */
 /*
  * Copyright (c) 1994, 1998, 1999, 2003 Ludd, University of Lule}, Sweden.
@@ -620,6 +620,7 @@ pmap_rmproc(struct pmap *pm)
        LIST_FOREACH(pr, &allprocess, ps_list) {
                if (pr->ps_flags & (PS_SYSTEM | PS_EXITING))
                        continue;
+               p = TAILQ_FIRST(&pr->ps_threads);
                ppm = p->p_vmspace->vm_map.pmap;
                if (ppm == pm)          /* Don't swap ourself */
                        continue;