[pschweitzer] 68990: [MUP] Fix uninitialized address freeing in case of error in MupGetProviderInformation(), InitializeProvider() CID 1322227 CID 1322240

Author: pschweitzer
Date: Fri Sep  4 13:58:44 2015
New Revision: 68990

URL: http://svn.reactos.org/svn/reactos?rev=68990&view=rev
Log:
[MUP]
Fix uninitialized address freeing in case of error in MupGetProviderInformation(),
InitializeProvider()
CID 1322227
CID 1322240

Modified:
    trunk/reactos/drivers/filesystems/mup/mup.c

Modified: trunk/reactos/drivers/filesystems/mup/mup.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/mup/mu…
==============================================================================
--- trunk/reactos/drivers/filesystems/mup/mup.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/mup/mup.c	[iso-8859-1] Fri Sep  4 13:58:44 2015
@@ -950,6 +950,10 @@
 
         Status = ZwQueryValueKey(KeyHandle, &Value, KeyValueFullInformation, Info,
ResultLength, &ResultLength);
     }
+    else
+    {
+        Info = NULL;
+    }
 
     ZwClose(KeyHandle);
 
@@ -959,6 +963,7 @@
      */
     if (NT_SUCCESS(Status))
     {
+        ASSERT(Info != NULL);
         AddUnregisteredProvider((PWSTR)((ULONG_PTR)Info + Info->DataOffset),
ProviderOrder);
     }
 
@@ -1006,11 +1011,17 @@
 
         Status = ZwQueryValueKey(KeyHandle, &ProviderOrder, KeyValueFullInformation,
Info, ResultLength, &ResultLength);
     }
+    else
+    {
+        Info = NULL;
+    }
 
     ZwClose(KeyHandle);
 
     if (NT_SUCCESS(Status))
     {
+        ASSERT(Info != NULL);
+
         Providers = (PWSTR)((ULONG_PTR)Info + Info->DataOffset);
         End = FALSE;
         ProviderCount = 0;