From: Wu Jiaxin <jiaxin.wu@intel.com>
Date: Tue, 29 Oct 2013 08:51:16 +0000 (+0000)
Subject: Fix a K9 error.Result of GetVariable2() function that may return NULL will be derefer... 
X-Git-Tag: edk2-stable201903~12144
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=25a516ab1a9dfccf2b71ec15771e99192c307418;ds=sidebyside

Fix a K9 error.Result of GetVariable2() function that may return NULL will be dereferenced.

Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com >
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Dong Guo <guo.dong@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14813 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.c b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.c
index 16ffec09bd..2e43b415ec 100644
--- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.c
+++ b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.c
@@ -656,10 +656,9 @@ IScsiDhcpIsConfigured (
              (VOID**)&ConfigDataTmp,
              NULL
              );
-  if (EFI_ERROR (Status)) {
+  if (ConfigDataTmp == NULL || EFI_ERROR (Status)) {
     return FALSE;
   }
-  
 
   if (ConfigDataTmp->Enabled && ConfigDataTmp->InitiatorInfoFromDhcp) {
     FreePool (ConfigDataTmp);