--- mp_region_old.c	Fri Dec 29 16:26:15 2000
+++ mp_region.c	Fri Dec 29 16:26:13 2000
@@ -160,7 +160,7 @@
 	dbenv->mp_handle = dbmp;
 	return (0);
 
-err:	if (dbmp->reginfo[0].addr != NULL) {
+err:	if (dbmp->reginfo && dbmp->reginfo[0].addr != NULL) {
 		if (F_ISSET(dbmp->reginfo, REGION_CREATE))
 			for (i = 0; i < dbmp->nreg; ++i)
 				if (dbmp->reginfo[i].id != REG_ID_INVALID)