From 454ae2ad280b9f41641ad2431604a04128d4db84 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Mon, 5 May 2008 23:09:48 -0400
Subject: libmux: more robust code

---
 src/libmux/io.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/libmux/io.c b/src/libmux/io.c
index d9d9d8a6..3a2a9331 100644
--- a/src/libmux/io.c
+++ b/src/libmux/io.c
@@ -34,8 +34,11 @@ _muxrecvproc(void *v)
 	qunlock(&mux->inlk);
 	qlock(&mux->lk);
 	_muxqhangup(q);
-	while(_muxnbqrecv(q, &p))
+	p = nil;
+	while(_muxnbqrecv(q, &p) && p != nil){
 		free(p);
+		p = nil;
+	}
 	free(q);
 	mux->readq = nil;
 	rwakeup(&mux->rpcfork);
-- 
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