From 9995c2e5d0e1f20111e905834eeefe135fe70ccb Mon Sep 17 00:00:00 2001
From: niruiyu <niruiyu@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Mon, 8 Aug 2011 09:23:51 +0000
Subject: Add non null assertion before using the bridge instance.

Signed-off-by: niruiyu

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12095 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.c
index 810229ff61..eba5efdce2 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.c
@@ -810,6 +810,12 @@ PciHostBridgeResourceAllocator (
     Mem64Bridge  = FindResourceNode (RootBridgeDev, &Mem64Pool);
     PMem64Bridge = FindResourceNode (RootBridgeDev, &PMem64Pool);
 
+    ASSERT (IoBridge     != NULL);
+    ASSERT (Mem32Bridge  != NULL);
+    ASSERT (PMem32Bridge != NULL);
+    ASSERT (Mem64Bridge  != NULL);
+    ASSERT (PMem64Bridge != NULL);
+
     //
     // Program IO resources
     //
-- 
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