From: Eric Dong <eric.dong@intel.com>
Date: Wed, 16 Dec 2015 11:48:27 +0000 (+0000)
Subject: BootManagerLib: Check the pointer to avoid use NULL pointer.
X-Git-Tag: edk2-stable201903~8246
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=bd69e72c8abee5a155d0281b392459dfa7837e8a

BootManagerLib: Check the pointer to avoid use NULL pointer.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19301 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/MdeModulePkg/Library/BootManagerLib/BootManager.c b/MdeModulePkg/Library/BootManagerLib/BootManager.c
index cfeedebc88..dd87250743 100644
--- a/MdeModulePkg/Library/BootManagerLib/BootManager.c
+++ b/MdeModulePkg/Library/BootManagerLib/BootManager.c
@@ -327,6 +327,9 @@ GroupMultipleLegacyBootOption4SameType (
   SetMem (DeviceTypeIndex, sizeof (DeviceTypeIndex), 0xff);
 
   GetEfiGlobalVariable2 (L"BootOrder", (VOID **) &BootOrder, &BootOrderSize);
+  if (BootOrder == NULL) {
+    return;
+  }
 
   for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {
     UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", BootOrder[Index]);