From a2ed758a205cedcafbc836e4ca5ac6b87d60c2e6 Mon Sep 17 00:00:00 2001
From: Pierre Schweitzer <pierre@reactos.org>
Date: Sat, 4 Nov 2017 21:31:35 +0100
Subject: [PATCH] [CDFS] Addendum to 03a9d8c: check for volume state (locked?)
 before opening a file CORE-13957

---
 drivers/filesystems/cdfs/create.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/filesystems/cdfs/create.c b/drivers/filesystems/cdfs/create.c
index 09a054bf1b7..dde7a2404d2 100644
--- a/drivers/filesystems/cdfs/create.c
+++ b/drivers/filesystems/cdfs/create.c
@@ -222,6 +222,11 @@ CdfsCreateFile(PDEVICE_OBJECT DeviceObject,
         return STATUS_ACCESS_DENIED;
     }
 
+    if (BooleanFlagOn(DeviceExt->Flags, VCB_VOLUME_LOCKED))
+    {
+        return STATUS_ACCESS_DENIED;
+    }
+
     Status = CdfsOpenFile(DeviceExt,
         FileObject,
         &FileObject->FileName);
-- 
2.17.1