From e2afcc958be19287bc23d9c0a052b5ac57bb3df3 Mon Sep 17 00:00:00 2001
From: Lukas Nykryn <lnykryn@redhat.com>
Date: Thu, 26 Oct 2017 13:50:17 +0200
Subject: [PATCH] rootfs-block/module-setup.sh: check root_dev in
 cmdline_rootfs()

In case of "--no-hostonly-default-device", we do not need
the root device, thus add this check.

Reimplementation of upstream commit 5634a31156070487210a8e362e8f088c5c4dc615

Resolves: #1483838
---
 modules.d/95rootfs-block/module-setup.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules.d/95rootfs-block/module-setup.sh b/modules.d/95rootfs-block/module-setup.sh
index 5bb704a4..284cb550 100755
--- a/modules.d/95rootfs-block/module-setup.sh
+++ b/modules.d/95rootfs-block/module-setup.sh
@@ -32,7 +32,7 @@ cmdline_journal() {
 
 cmdline() {
     local dev=/dev/block/$(find_root_block_device)
-    if [ -e $dev ]; then
+    if [ -e $dev ] && [ -n "$root_dev" ] ; then
         printf " root=%s" "$(shorten_persistent_dev "$(get_persistent_dev "$dev")")"
         printf " rootflags=%s" "$(find_mp_fsopts /)"
         printf " rootfstype=%s" "$(find_mp_fstype /)"