From 5e7d9e89bac48acf5013c5c346c1b75c4abbca2d Mon Sep 17 00:00:00 2001
From: Garrett Wollman <wollman@FreeBSD.org>
Date: Fri, 12 May 1995 19:12:44 +0000
Subject: [PATCH] Don't automatically default dumps to be on a swap device; if
 the user wants dumps, he can either configure it explicitly (`dumps on'
 whatever) or use the dumpon(8) utility.

---
 usr.sbin/config/config.y     |  7 ++-----
 usr.sbin/config/mkswapconf.c | 10 +++++++---
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/usr.sbin/config/config.y b/usr.sbin/config/config.y
index 76e9a50bc16d..fb3ede0b8f24 100644
--- a/usr.sbin/config/config.y
+++ b/usr.sbin/config/config.y
@@ -1033,12 +1033,9 @@ checksystemspec(fl)
 		return;
 	}
 	/*
-	 * Default dump device and warn if place is not a
-	 * swap area.
+	 * Warn if dump device is not a swap area.
 	 */
-	if (fl->f_dumpdev == NODEV)
-		fl->f_dumpdev = swap->f_swapdev;
-	if (fl->f_dumpdev != swap->f_swapdev) {
+	if (fl->f_dumpdev != NODEV && fl->f_dumpdev != swap->f_swapdev) {
 		struct file_list *p = swap->f_next;
 
 		for (; p && p->f_type == SWAPSPEC; p = p->f_next)
diff --git a/usr.sbin/config/mkswapconf.c b/usr.sbin/config/mkswapconf.c
index cbb97c75e529..002d85ef1854 100644
--- a/usr.sbin/config/mkswapconf.c
+++ b/usr.sbin/config/mkswapconf.c
@@ -97,9 +97,13 @@ do_swap(fl)
 	fprintf(fp, "dev_t\trootdev = makedev(%d, 0x%08x);\t\t/* %s */\n",
 		major(fl->f_rootdev), minor(fl->f_rootdev),
 		devtoname(fl->f_rootdev));
-	fprintf(fp, "dev_t\tdumpdev = makedev(%d, 0x%08x);\t\t/* %s */\n",
-		major(fl->f_dumpdev), minor(fl->f_dumpdev),
-		devtoname(fl->f_dumpdev));
+	if (fl->f_dumpdev != NODEV) {
+		fprintf(fp, "dev_t\tdumpdev = makedev(%d, 0x%08x);\t\t/* %s */\n",
+			major(fl->f_dumpdev), minor(fl->f_dumpdev),
+			devtoname(fl->f_dumpdev));
+	} else {
+		fprintf(fp, "dev_t\tdumpdev = NODEV;\t\t\t/* unconfigured */\n");
+	}
 	fprintf(fp, "\n");
 	fprintf(fp, "struct\tswdevt swdevt[] = {\n");
 	do {