From 83471265bdf87b193f004fde316d03d891eb2d34 Mon Sep 17 00:00:00 2001
From: short <>
Date: Fri, 28 Mar 2003 21:00:36 +0000
Subject: [PATCH] IoShutdownRegisteredFileSystems(): Cope with uncalled
 IoUnregisterFileSystem().  - at least ntfs.sys-NT5.1sp1 appears to not to
 unregister itself

---
 ntoskrnl/io/fs.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/ntoskrnl/io/fs.c b/ntoskrnl/io/fs.c
index fa340d8..a241167 100644
--- a/ntoskrnl/io/fs.c
+++ b/ntoskrnl/io/fs.c
@@ -199,7 +199,15 @@ IoShutdownRegisteredFileSystems(VOID)
      {
 	current = CONTAINING_RECORD(current_entry,FILE_SYSTEM_OBJECT,Entry);
 	if (current==current_last)
-	    KeBugCheck(0);	/* filesystem forgot to call IoUnregisterFileSystem() */
+	  {
+	    /* At least ntfs.sys-NT5.1sp1 appears to not to unregister itself.
+	     * It does not import symbol IoUnregisterFileSystem() at all!
+	     * BTW also ext2fsd.sys<=v0.10A also forgets to call IoUnregisterFileSystem().
+	     */
+	    DPRINT("IoShutdownRegisteredFileSystems(): WARNING: filesystem forgot to call IoUnregisterFileSystem() !!!\n");
+	    IoUnregisterFileSystem(current->DeviceObject);
+	    continue;
+	  }
 	current_last=current;
 
 	/* send IRP_MJ_SHUTDOWN */
-- 
1.8.3.1