From 7d83305d4e36a510e8993044ea4b4d4138ad7734 Mon Sep 17 00:00:00 2001
From: Nick Hibma <n_hibma@FreeBSD.org>
Date: Sun, 25 Jul 1999 11:00:05 +0000
Subject: [PATCH] Add a sensible message if an invalid ID was entered

PR:		8739
Submitted by:	Love lha@stacken.kth.se
Reviewed by:	Doug Rabson <doug@freebsd.org>
---
 sbin/kldunload/kldunload.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sbin/kldunload/kldunload.c b/sbin/kldunload/kldunload.c
index 1d4fb52f5a51..da139e703758 100644
--- a/sbin/kldunload/kldunload.c
+++ b/sbin/kldunload/kldunload.c
@@ -26,7 +26,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-	"$Id: kldunload.c,v 1.6 1998/07/06 06:59:52 charnier Exp $";
+	"$Id: kldunload.c,v 1.7 1998/11/07 00:42:52 des Exp $";
 #endif /* not lint */
 
 #include <err.h>
@@ -56,6 +56,8 @@ main(int argc, char** argv)
 	switch (c) {
 	case 'i':
 	    fileid = atoi(optarg);
+	    if (!fileid)
+		errx(1, "Invalid ID %s", optarg);
 	    break;
 	case 'n':
 	    filename = optarg;