From ebef5c959a0ea58fa05c4a5a80bb93104780bf87 Mon Sep 17 00:00:00 2001
From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Fri, 14 Sep 2012 22:53:11 +0000
Subject: Import ACPICA 20120913.

---
 source/components/disassembler/dmopcode.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'source/components/disassembler/dmopcode.c')

diff --git a/source/components/disassembler/dmopcode.c b/source/components/disassembler/dmopcode.c
index 2ce08a33f16fd..caebe26a1e452 100644
--- a/source/components/disassembler/dmopcode.c
+++ b/source/components/disassembler/dmopcode.c
@@ -254,6 +254,10 @@ AcpiDmFieldPredefinedDescription (
     /* Major cheat: We previously put the Tag ptr in the Node field */
 
     Tag = ACPI_CAST_PTR (char, IndexOp->Common.Node);
+    if (!Tag)
+    {
+        return;
+    }
 
     /* Match the name in the info table */
 
-- 
cgit v1.2.3