From: Wu Jiaxin <jiaxin.wu@intel.com>
Date: Tue, 29 Oct 2013 08:52:01 +0000 (+0000)
Subject: Fix a K9 error.Result of GetVariable2() function that may return NULL will be derefer... 
X-Git-Tag: edk2-stable201903~12143
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=107e3d7a37035ec386941ad8fafcd9e7d4b0fabe;p=mirror_edk2.git

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@14814 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/NetworkPkg/IScsiDxe/IScsiMisc.c b/NetworkPkg/IScsiDxe/IScsiMisc.c
index 1079c187fa..6ed4974545 100644
--- a/NetworkPkg/IScsiDxe/IScsiMisc.c
+++ b/NetworkPkg/IScsiDxe/IScsiMisc.c
@@ -953,9 +953,10 @@ IScsiDhcpIsConfigured (
                (VOID**)&AttemptTmp,
                NULL
                );
-    if(EFI_ERROR (Status)) {
+    if(AttemptTmp == NULL || EFI_ERROR (Status)) {
       continue;
     }
+    
     ASSERT (AttemptConfigOrder[Index] == AttemptTmp->AttemptConfigIndex);
 
     if (AttemptTmp->SessionConfigData.Enabled == ISCSI_DISABLED) {