From c672e81012bb6b336e84a0559ef6e4e080dc23d0 Mon Sep 17 00:00:00 2001
From: Bart Oldeman <bart@dosemu.org>
Date: Sat, 19 Jul 2003 15:06:55 +0000
Subject: [PATCH] Correct problem with multiple UMBs

git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@641 6ac86273-5f31-0410-b378-82cca8765d1b
---
 kernel/config.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kernel/config.c b/kernel/config.c
index edc396c..fcb7e44 100644
--- a/kernel/config.c
+++ b/kernel/config.c
@@ -481,11 +481,15 @@ STATIC void umb_init(void)
           mumcb_init(umb_seg + umb_size - 1, umb_next - umb_seg - umb_size);
         }
       }
+      else /* umb_seg >= umb_max */
+      {
+        umb_prev = umb_next;
+      }
 
       if (umb_seg - umb_prev - 1 == 0)
         /* should the UMB driver return
            adjacent memory in several pieces */
-        para2far(umb_prev)->m_size += umb_size;
+        para2far(prev_mcb(umb_prev, LoL->uppermem_root))->m_size += umb_size;
       else
       {
         /* create link mcb (below) */