From e7135e846f88fd99287fbd16f58d926a33e7c03e Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Tue, 12 May 1992 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1992-05-12

---
 pc/devhard.c    | 2 +-
 port/tcpinput.c | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/pc/devhard.c b/pc/devhard.c
index e42309968a5dad5b6235f20ef45ee517594595e4..b61592a58537f4bfeb2ca687c742f00c22151a3a 100644
--- a/pc/devhard.c
+++ b/pc/devhard.c
@@ -43,7 +43,7 @@ enum
 	Qdir=		0,
 
 	Maxxfer=	4*1024,		/* maximum transfer size/cmd */
-	Maxread=	4*1024,		/* maximum transfer size/read */
+	Maxread=	1*1024,		/* maximum transfer size/read */
 	Npart=		8+2,		/* 8 sub partitions, disk, and partition */
 	Nrepl=		16,		/* maximum replacement blocks */
 };
diff --git a/port/tcpinput.c b/port/tcpinput.c
index 4a9c25aa24cfa28332749d6ad73f39077b642c6b..c9833570a8be531b31e439b88b2e1fb26c6cb307 100644
--- a/port/tcpinput.c
+++ b/port/tcpinput.c
@@ -372,6 +372,7 @@ tcp_input(Ipconv *ipc, Block *bp)
 		case Last_ack:
 			update(s, &seg);
 			if(tcb->sndcnt == 0) {
+				freeb(bp);
 				close_self(s, Enoerror);
 				goto done;
 			}			
@@ -389,7 +390,9 @@ tcp_input(Ipconv *ipc, Block *bp)
 		else if(seq_gt(tcb->rcv.nxt, tcb->rcv.up))
 			tcb->rcv.up = tcb->rcv.nxt;
 
-		if(length != 0) {
+		if(length == 0)
+			freeb(bp);
+		else {
 			switch(tcb->state){
 			default:
 				/* Ignore segment text */