From 1e0db7b11987d0ec93be7dfe26102a327860fdbd Mon Sep 17 00:00:00 2001
From: Fu Siyuan <siyuan.fu@intel.com>
Date: Thu, 14 Jun 2018 10:30:09 +0800
Subject: MdeModulePkg/NetworkPkg: Checking for NULL pointer before use.

Contributed-under: TianoCore Contribution Agreement 1.1

Signed-off-by: Sivaraman Nainar <sivaramann@amiindia.co.in>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
---
 NetworkPkg/HttpBootDxe/HttpBootConfig.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'NetworkPkg/HttpBootDxe')

diff --git a/NetworkPkg/HttpBootDxe/HttpBootConfig.c b/NetworkPkg/HttpBootDxe/HttpBootConfig.c
index f32bf18e9d..81fceb2fd6 100644
--- a/NetworkPkg/HttpBootDxe/HttpBootConfig.c
+++ b/NetworkPkg/HttpBootDxe/HttpBootConfig.c
@@ -473,6 +473,9 @@ HttpBootFormCallback (
     // Get user input URI string
     //
     Uri = HiiGetString (CallbackInfo->RegisteredHandle, Value->string, NULL);
+    if(Uri == NULL) {
+    	return EFI_INVALID_PARAMETER;
+    }        
 
     //
     // The URI should be either an empty string (for corporate environment) ,or http(s) for home environment.
-- 
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