From 7eece3deb1667068334c368fdf59eea7f042e91a Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Sat, 11 Mar 2017 11:10:56 -0800
Subject: [PATCH] SCP: Allow detaching of buffered devices without a buffer
 (COVERITY)

---
 scp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scp.c b/scp.c
index a3e2b4f4..392f2728 100644
--- a/scp.c
+++ b/scp.c
@@ -5812,7 +5812,7 @@ if (!(uptr->flags & UNIT_ATT)) {                        /* not attached? */
     }
 if ((dptr = find_dev_from_unit (uptr)) == NULL)
     return SCPE_OK;
-if (uptr->flags & UNIT_BUF) {
+if ((uptr->flags & UNIT_BUF) && (uptr->filebuf)) {
     uint32 cap = (uptr->hwmark + dptr->aincr - 1) / dptr->aincr;
     if (uptr->hwmark && ((uptr->flags & UNIT_RO) == 0)) {
         if (!sim_quiet) {