2 files changed, 6 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 7a3b39f..9423c98 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-08-07  Don Porter  <dgp@users.sourceforge.net>
+
+	* generic/tclIOUtil.c:	[Bug 3554250] Overlooked one field of
+	cleanup in the thread exit handler for the filesystem subsystem.
+
 2012-07-31  Jan Nijtmans  <nijtmans@users.sf.net>
 
 	* win/nmakehlp.c: Backport from Tcl 8.6, but add -Q option from
diff --git a/generic/tclIOUtil.c b/generic/tclIOUtil.c
index 6cf87ad..348e7bf 100644
--- a/generic/tclIOUtil.c
+++ b/generic/tclIOUtil.c
@@ -520,6 +520,7 @@ FsThrExitProc(
 	ckfree((char *)fsRecPtr);
 	fsRecPtr = tmpFsRecPtr;
     }
+    tsdPtr->filesystemList = NULL;
     tsdPtr->initialized = 0;
 }