Refine code to make code run more safely.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10993 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
index 0e74c5800dea014a5073c88b7c952d110952ca09..3e4bb0a0d6409aadc33ba6d0081453ee987a5c02 100644 (file)
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
@@ -2824,7 +2824,8 @@ UiDisplayMenu (
         // checking can be done.\r
         //\r
         DistanceValue += AdjustDateAndTimePosition (TRUE, &NewPos);\r
-\r
+        \r
+        ASSERT (MenuOption != NULL);\r
         if (Difference < 0) {\r
           //\r
           // We want to goto previous MenuOption, but finally we go down.\r