From 29329e61b7ca28e14173fb01fdc21396a5507b5d Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Sat, 21 Apr 2012 15:00:23 -0700
Subject: X86: Report an error if there's no kernel object, don't blindly use
 it.

This way the user gets a nice message instead of a less nice segfault.
---
 src/arch/x86/system.cc | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/arch')

diff --git a/src/arch/x86/system.cc b/src/arch/x86/system.cc
index effe1e994..87fb61edc 100644
--- a/src/arch/x86/system.cc
+++ b/src/arch/x86/system.cc
@@ -114,6 +114,9 @@ X86System::initState()
 {
     System::initState();
 
+    if (!kernel)
+        fatal("No kernel to load.\n");
+
     if (kernel->getArch() == ObjectFile::I386)
         fatal("Loading a 32 bit x86 kernel is not supported.\n");
 
-- 
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