From ee359f4838f7e8922824fe563d2ac024cf7b0b9c Mon Sep 17 00:00:00 2001
From: Joerg Wunsch <joerg@FreeBSD.org>
Date: Tue, 6 May 1997 20:52:28 +0000
Subject: [PATCH] Fix a long-standing bug with dump not treating errors
 correctly.  They were mishandled as an EOF, which became fatal if your first
 tape was accidentally write-protected.

PR:		bin/850 dump treats write-protect as an EOT...
---
 sbin/dump/tape.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sbin/dump/tape.c b/sbin/dump/tape.c
index 9378d9fd1be3..91f5dc4f687e 100644
--- a/sbin/dump/tape.c
+++ b/sbin/dump/tape.c
@@ -722,8 +722,10 @@ killall()
 	register int i;
 
 	for (i = 0; i < SLAVES; i++)
-		if (slaves[i].pid > 0)
+		if (slaves[i].pid > 0) {
 			(void) kill(slaves[i].pid, SIGKILL);
+			slaves[i].sent = 0;
+		}
 }
 
 /*
@@ -818,7 +820,7 @@ doslave(cmd, slave_number)
 		 * fixme: Pyramids running OSx return ENOSPC
 		 * at EOT on 1/2 inch drives.
 		 */
-		if (size < 0) {
+		if (wrote < 0) {
 			(void) kill(master, SIGUSR1);
 			for (;;)
 				(void) sigpause(0);