From 80d52e63387141d0c360836e468c9422df7518ac Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sat, 19 Dec 1992 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1992-12-19

---
 port/stasync.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/port/stasync.c b/port/stasync.c
index 5a765801e96e36e4e9a295c0aee690d84a104610..8baa27f9b43867b1051876af55cbad7246cf8d49 100644
--- a/port/stasync.c
+++ b/port/stasync.c
@@ -279,9 +279,8 @@ asyncoput(Queue *q, Block *bp)
 	 *  one control byte
 	 */
 	msg = pullup(bp, 3);
-	if(BLEN(msg) < 3){
+	if(msg == 0){
 		print("asyncoput msglen < 3\n");
-		freeb(bp);
 		return;
 	}
 	chan = msg->rptr[0] | (msg->rptr[1]<<8);