From 75e37a235a36345c619f547889a0e4663e53d599 Mon Sep 17 00:00:00 2001
From: dgp <dgp@users.sourceforge.net>
Date: Thu, 8 May 2014 02:38:52 +0000
Subject: Stop leak in iocmd-21.22.

---
 generic/tclIO.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/generic/tclIO.c b/generic/tclIO.c
index f2d1f44..4628e90 100644
--- a/generic/tclIO.c
+++ b/generic/tclIO.c
@@ -3607,6 +3607,7 @@ static int WillRead(Channel *chanPtr)
 {
     if (chanPtr->typePtr == NULL) {
 	/* Prevent read attempts on a closed channel */
+        DiscardInputQueued(chanPtr->state, 0);
 	Tcl_SetErrno(EINVAL);
 	return -1;
     }
-- 
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