Allow to boot CDROM-only VMs.

Pointed out by Jon Williams

OK mlarkin@ kn@ ccardenas@

diff --git a/usr.sbin/vmctl/vmctl.c b/usr.sbin/vmctl/vmctl.c
index 7ab9a9b..867a0e7 100644 (file)
--- a/usr.sbin/vmctl/vmctl.c
+++ b/usr.sbin/vmctl/vmctl.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: vmctl.c,v 1.54 2018/07/12 12:04:49 reyk Exp $ */
+/*     $OpenBSD: vmctl.c,v 1.55 2018/08/23 06:04:53 reyk Exp $ */
 
 /*
  * Copyright (c) 2014 Mike Larkin <mlarkin@openbsd.org>
@@ -98,8 +98,8 @@ vm_start(uint32_t start_id, const char *name, int memsize, int nnics,
                        errx(1, "too many disks");
                else if (ndisks == 0)
                        warnx("starting without disks");
-               if (kernel == NULL && ndisks == 0)
-                       errx(1, "no kernel or disk specified");
+               if (kernel == NULL && ndisks == 0 && !iso)
+                       errx(1, "no kernel or disk/cdrom specified");
                if (nnics == -1)
                        nnics = 0;
                if (nnics > VMM_MAX_NICS_PER_VM)