Revision: 18485
          http://sourceforge.net/p/edk2/code/18485
Author:   hwu1225
Date:     2015-09-17 00:54:45 +0000 (Thu, 17 Sep 2015)
Log Message:
-----------
NetworkPkg: Enhance the NULL pointer check before dereference it.

This patch enhances the NULL pointer check of the HttpInstance->RemoteHost
pointer before dereference it.

(Sync patch r18482 from main trunk.)

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <[email protected]>
Reviewed-by: Ye Ting <[email protected]>

Revision Links:
--------------
    http://sourceforge.net/p/edk2/code/18482

Modified Paths:
--------------
    branches/UDK2015/NetworkPkg/HttpDxe/HttpImpl.c

Modified: branches/UDK2015/NetworkPkg/HttpDxe/HttpImpl.c
===================================================================
--- branches/UDK2015/NetworkPkg/HttpDxe/HttpImpl.c      2015-09-16 09:02:48 UTC 
(rev 18484)
+++ branches/UDK2015/NetworkPkg/HttpDxe/HttpImpl.c      2015-09-17 00:54:45 UTC 
(rev 18485)
@@ -316,7 +316,7 @@
   Configure   = TRUE;
   ReConfigure = TRUE;  
 
-  if (HttpInstance->RemoteHost == NULL && HttpInstance->RemotePort == 0) {
+  if (HttpInstance->RemoteHost == NULL) {
     //
     // Request() is called the first time. 
     //
@@ -373,6 +373,7 @@
       if (HttpInstance->RemoteHost != NULL) {
         FreePool (HttpInstance->RemoteHost);
         HttpInstance->RemoteHost = NULL;
+        HttpInstance->RemotePort = 0;
       }
     }
   } 


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