From 203ca723568b7bc32b0377da054b30ef659e8e36 Mon Sep 17 00:00:00 2001
From: Leo Broukhis <leob@mailcom.com>
Date: Fri, 18 Mar 2022 07:49:07 -0700
Subject: [PATCH] BESM6: Fixed a compilation warning and a Coverity defect.

---
 BESM6/besm6_disk.c | 2 +-
 BESM6/besm6_tty.c  | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/BESM6/besm6_disk.c b/BESM6/besm6_disk.c
index 9911e5c0..863a2d48 100644
--- a/BESM6/besm6_disk.c
+++ b/BESM6/besm6_disk.c
@@ -903,7 +903,7 @@ void disk_ctl (int ctlr, uint32 cmd)
                 c->status |= STATUS_ABSENT;
             else if (md_unit[c->dev].flags & UNIT_ATT)
                 c->status |= STATUS_POWERUP;
-            if (md_unit[c->dev].flags & UNIT_RO)
+            if (c->dev != -1 && md_unit[c->dev].flags & UNIT_RO)
                 c->status |= STATUS_READONLY;
             c->status >>= 12;
 #if 1
diff --git a/BESM6/besm6_tty.c b/BESM6/besm6_tty.c
index f135f6ae..c1fb758b 100644
--- a/BESM6/besm6_tty.c
+++ b/BESM6/besm6_tty.c
@@ -1058,8 +1058,9 @@ int vt_getc (int num)
     TMLN *t = &tty_line [num];
     extern int32 sim_int_char;
     int c;
+#ifdef REMOTE_TIMEOUT
     time_t now;
-
+#endif
     if (! t->conn) {
         /* Пользователь отключился. */
         if (t->ipad) {