From 5d7017712c943bc815e4c6952af4557c54ade67e Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Tue, 27 Apr 1993 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1993-04-27

---
 pc/ether509.c    | 2 +-
 port/auth.c      | 2 ++
 port/tcpoutput.c | 1 +
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/pc/ether509.c b/pc/ether509.c
index f959b71e9df3ec1ccbbf18f352cba1de12df0151..7f60b39608f21da87cac650f954de738f012a7ac 100644
--- a/pc/ether509.c
+++ b/pc/ether509.c
@@ -331,7 +331,7 @@ transmit(Ctlr *ctlr)
 		 * we need 4 bytes for the preamble.
 		 */
 		len = ROUNDUP(tb->len, 4);
-		if(len > ins(ctlr->card.io+TxFreeBytes)+4){
+		if(len+4 > ins(ctlr->card.io+TxFreeBytes)){
 			COMMAND(ctlr, SetTxAvailable, len);
 			break;
 		}
diff --git a/port/auth.c b/port/auth.c
index c5e7ec738fa826a85cd91b132474a5cbf1014daa..736ac1a8a1c24fb7767c30d47257063248c8f0af 100644
--- a/port/auth.c
+++ b/port/auth.c
@@ -150,6 +150,7 @@ sysfsession(ulong *arg)
 			poperror();
 			if(convM2S(buf, &f, n) == 0){
 				unlock(&s->send);
+print("error converting %d bytes %ux %ux %ux\n", n, buf[0], buf[1], buf[2]);
 				error(Emountrpc);
 			}
 			switch(f.type){
@@ -163,6 +164,7 @@ sysfsession(ulong *arg)
 				error(f.ename);
 			default:
 				unlock(&s->send);
+print("error using %d bytes %ux %ux %ux\n", n, buf[0], buf[1], buf[2]);
 				error(Emountrpc);
 			}
 		}
diff --git a/port/tcpoutput.c b/port/tcpoutput.c
index 0b34e33db8d78e501b27cbe04bbd568c0e9a7b89..44a125c18e831062982e7f78660a48711796d065 100644
--- a/port/tcpoutput.c
+++ b/port/tcpoutput.c
@@ -184,6 +184,7 @@ tcptimeout(void *arg)
 	default:
 		tcb->backoff++;
 		if (tcb->backoff >= MAXBACKOFF && tcb->snd.wnd > 0) {
+print("tcp connection timed out\n"); 
 			localclose(s, Etimedout);
 			break;
 		}