From 401158e58c47b2e1278a47b9cd236f501cfe2732 Mon Sep 17 00:00:00 2001
From: Frederick Grose <4335897+FGrose@users.noreply.github.com>
Date: Fri, 9 Sep 2022 23:46:29 -0400
Subject: [PATCH] fix(load_fstype): use $1 if $2 is missing

Use parameter expansion default value if the second argument is missing.
The current code mistakenly reuses the null second argument.
---
 modules.d/99base/dracut-lib.sh | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
index 2cebbc8ad..44dd0178a 100755
--- a/modules.d/99base/dracut-lib.sh
+++ b/modules.d/99base/dracut-lib.sh
@@ -1157,8 +1157,5 @@ remove_hostonly_files() {
 # returns OK if kernel_module is loaded
 # modprobe fails if /lib/modules is not available (--no-kernel use case)
 load_fstype() {
-    if [ -z "$2" ]; then
-        set -- "$1" "$2"
-    fi
-    strstr "$(cat /proc/filesystems)" "$2" || modprobe "$1"
+    strstr "$(cat /proc/filesystems)" "${2:-$1}" || modprobe "$1"
 }
-- 
2.47.3