From 633d72a98ec436db2b29d4383830e298fd7aa1b1 Mon Sep 17 00:00:00 2001
From: gibbed <rick@gibbed.us>
Date: Sat, 30 May 2015 20:55:12 -0500
Subject: [PATCH] Corrected NtQueryFullAttributesFile behavior when
 root_directory is 0.

---
 src/xenia/kernel/xboxkrnl_io.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/xenia/kernel/xboxkrnl_io.cc b/src/xenia/kernel/xboxkrnl_io.cc
index 67fa560de..f3f2fed82 100644
--- a/src/xenia/kernel/xboxkrnl_io.cc
+++ b/src/xenia/kernel/xboxkrnl_io.cc
@@ -564,7 +564,8 @@ SHIM_CALL NtQueryFullAttributesFile_shim(PPCContext* ppc_context,
   X_STATUS result = X_STATUS_NO_SUCH_FILE;
 
   object_ref<XFile> root_file;
-  if (attrs.root_directory != 0xFFFFFFFD) {  // ObDosDevices
+  if (attrs.root_directory != 0xFFFFFFFD &&  // ObDosDevices
+      attrs.root_directory != 0) {
     root_file =
         kernel_state->object_table()->LookupObject<XFile>(attrs.root_directory);
     assert_not_null(root_file);