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

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 16ffec09bdbbe6c4bec40457872622dc6af4317d..2e43b415ec593b899d16426991d0aca73229805f 100644 (file)
--- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.c
+++ b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.c
@@ -656,10 +656,9 @@ IScsiDhcpIsConfigured (
              (VOID**)&ConfigDataTmp,\r
              NULL\r
              );\r
-  if (EFI_ERROR (Status)) {\r
+  if (ConfigDataTmp == NULL || EFI_ERROR (Status)) {\r
     return FALSE;\r
   }\r
-  \r
 \r
   if (ConfigDataTmp->Enabled && ConfigDataTmp->InitiatorInfoFromDhcp) {\r
     FreePool (ConfigDataTmp);\r