[weiden] 18255: don't leak memory in RegDeleteTree() when NtEnumerateKey() returns an unexpected error code (such as when there's insufficient system resources to perform the query)

don't leak memory in RegDeleteTree() when NtEnumerateKey() returns an
unexpected error code (such as when there's insufficient system
resources to perform the query)
Modified: trunk/reactos/lib/advapi32/reg/reg.c
  _____

Modified: trunk/reactos/lib/advapi32/reg/reg.c
--- trunk/reactos/lib/advapi32/reg/reg.c	2005-10-03 22:46:49 UTC
(rev 18254)
+++ trunk/reactos/lib/advapi32/reg/reg.c	2005-10-03 23:01:10 UTC
(rev 18255)
@@ -1479,14 +1479,18 @@

}

SubKeyFailure:
-                ASSERT(newDelKeys != NULL);
-                RtlFreeHeap(ProcessHeap,
-                            0,
-                            newDelKeys);
+                /* newDelKeys can be NULL here when NtEnumerateKey
returned an
+                   error other than STATUS_BUFFER_TOO_SMALL or
STATUS_BUFFER_OVERFLOW! */
+                if (newDelKeys != NULL)
+                {
+                    RtlFreeHeap(ProcessHeap,
+                                0,
+                                newDelKeys);
+                }

SubKeyFailureNoFree:
                 /* don't break, let's try to delete as many keys as
possible */
-                if (Status2 != STATUS_NO_MORE_ENTRIES &&
NT_SUCCESS(Status))
+                if (NT_SUCCESS(Status))
                 {
                     Status = Status2;
                 }