...and it needs a guard against NULL as well.

diff --git a/sys/arch/vax/vax/pmap.c b/sys/arch/vax/vax/pmap.c
index 68489fc..865588e 100644 (file)
--- a/sys/arch/vax/vax/pmap.c
+++ b/sys/arch/vax/vax/pmap.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: pmap.c,v 1.66 2014/05/17 21:21:17 miod Exp $ */
+/*     $OpenBSD: pmap.c,v 1.67 2014/05/17 21:32:19 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.
@@ -621,6 +621,8 @@ pmap_rmproc(struct pmap *pm)
                if (pr->ps_flags & (PS_SYSTEM | PS_EXITING))
                        continue;
                p = TAILQ_FIRST(&pr->ps_threads);
+               if (p == NULL)
+                       continue;
                ppm = p->p_vmspace->vm_map.pmap;
                if (ppm == pm)          /* Don't swap ourself */
                        continue;