From d70f0629f9dcae41e6080a352783c5f118d1a3b3 Mon Sep 17 00:00:00 2001
From: "Brian C. Lane" <bcl@redhat.com>
Date: Thu, 24 Jun 2021 16:14:19 -0700
Subject: [PATCH] mkksiso: cmdline should default to empty string

Related: rhbz#1975844
---
 src/sbin/mkksiso | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sbin/mkksiso b/src/sbin/mkksiso
index 65fc2622..fcc59c36 100755
--- a/src/sbin/mkksiso
+++ b/src/sbin/mkksiso
@@ -584,7 +584,7 @@ def setup_args():
     parser.add_argument("-a", "--add", action="append", dest="add_paths", default=[],
                         type=os.path.abspath,
                         help="File or directory to add to ISO (may be used multiple times)")
-    parser.add_argument("-c", "--cmdline", dest="cmdline", metavar="CMDLINE",
+    parser.add_argument("-c", "--cmdline", dest="cmdline", metavar="CMDLINE", default="",
                         help="Arguments to add to kernel cmdline")
     parser.add_argument("--debug", action="store_const", const=log.DEBUG,
                         dest="loglevel", default=log.INFO,