From 6c160521840e8b0d432908637edfb9fcea389088 Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Sun, 13 Mar 2022 12:40:16 -0700
Subject: [PATCH] SIGMA: Avoid Coverity mag tape warning

---
 sigma/sigma_mt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sigma/sigma_mt.c b/sigma/sigma_mt.c
index 78bb1e1e..330426db 100644
--- a/sigma/sigma_mt.c
+++ b/sigma/sigma_mt.c
@@ -508,6 +508,9 @@ switch (st) {
         uptr->UST |= MTDV_BOT;                          /* set BOT */
         chan_uen (mt_dib.dva);                          /* uend */
         return CHS_INACTV;
+
+    default:                                            /* shouldn't happen */
+        return SCPE_IERR;
         }                                               /* end switch */
 
 return SCPE_OK;