plan9port

commit 454ae2ad280b9f41641ad2431604a04128d4db84
parent 80f2165d274da5185a09ebda340505b067b08eb4
Author: Russ Cox <rsc@swtch.com>
Date:   Mon,  5 May 2008 23:09:48 -0400

libmux: more robust code

Diffstat:
M
src/libmux/io.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git 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);