From 7ecfe2353f31752d4605306a83c18a369de57168 Mon Sep 17 00:00:00 2001
From: Steffen Maier <maier@linux.ibm.com>
Date: Mon, 28 Aug 2023 19:54:46 +0200
Subject: [PATCH] zdev/dracut: respect hostonly mode choice
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Otherwise it risks adding arbitrary persistent configuration of the build
host into generic dracut initrds such as those for distro installers.

Github-ID: https://github.com/ibm-s390-linux/s390-tools/pull/158
Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Acked-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Steffen Maier <maier@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
---
 zdev/dracut/95zdev/module-setup.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/zdev/dracut/95zdev/module-setup.sh b/zdev/dracut/95zdev/module-setup.sh
index f4d267cc..c2592553 100644
--- a/zdev/dracut/95zdev/module-setup.sh
+++ b/zdev/dracut/95zdev/module-setup.sh
@@ -62,6 +62,11 @@ install() {
     inst_rules "81-dpm.rules"
 
     # Obtain early + root device configuration
+
+    # If enabled, add the host-specific config of required devices into initrd
+    # shellcheck disable=SC2154
+    [[ $hostonly ]] || return 0
+
     _tempfile=$(mktemp --tmpdir dracut-zdev.XXXXXX)
     function check_zdev() {
         local _dev=$1