From 54f46651fe7f7b1ed957523c5d65689b22477b61 Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Tue, 17 Apr 2018 23:52:28 -0700
Subject: [PATCH] PDP11, VAX: Fix Coverity identified debug path null pointer
 dereference

---
 PDP11/pdp11_rq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PDP11/pdp11_rq.c b/PDP11/pdp11_rq.c
index 647c17d2..33d8d5bf 100644
--- a/PDP11/pdp11_rq.c
+++ b/PDP11/pdp11_rq.c
@@ -2447,9 +2447,9 @@ t_bool rq_una (MSC *cp, uint16 lu)
 uint16 pkt;
 UNIT *uptr = rq_getucb (cp, lu);
 
-sim_debug (DBG_TRC, rq_devmap[cp->cnum], "rq_una (%s. Unit=%d)\n", sim_uname (uptr), lu);
 if (uptr == NULL)                                       /* huh? */
     return OK;
+sim_debug (DBG_TRC, rq_devmap[cp->cnum], "rq_una (%s. Unit=%d)\n", sim_uname (uptr), lu);
 if (!rq_deqf (cp, &pkt))                                /* get log pkt */
     return ERR;
 cp->pak[pkt].d[RSP_REFL] = 0;                           /* ref = 0 */