From 1e36b3ca986c242dd9d22e3793c920972ad6bded Mon Sep 17 00:00:00 2001
From: d0k3 <tore.anon@gmail.com>
Date: Tue, 19 Dec 2017 02:59:40 +0100
Subject: [PATCH] Fix NULL dereference

Thanks @AuroraWright!
---
 arm9/source/virtual/vvram.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arm9/source/virtual/vvram.c b/arm9/source/virtual/vvram.c
index 28d31d6..e13724a 100644
--- a/arm9/source/virtual/vvram.c
+++ b/arm9/source/virtual/vvram.c
@@ -55,7 +55,7 @@ bool ReadVVramDir(VirtualFile* vfile, VirtualDir* vdir) {
     if (vdir->index < 0) tardata = FirstVTarEntry();
     else tardata = NextVTarEntry(OffsetVTarEntry(vdir->index << 9));
     
-    do {
+    if (tardata) do {
         TarHeader* tar = (TarHeader*) tardata;
         char tar_fname[100 + 1];
         char *name, *dir;