From d609c64209af738540f629bccecdef8c6bafa91d Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Wed, 10 Aug 2011 20:03:21 +0200
Subject: [PATCH] dracut-lib.sh: fixed getargs() for empty arguments

---
 modules.d/99base/dracut-lib.sh |   14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
index 80c1f84..dec5d92 100755
--- a/modules.d/99base/dracut-lib.sh
+++ b/modules.d/99base/dracut-lib.sh
@@ -142,11 +142,19 @@ _dogetargs() {
 }
 
 getargs() {
-    local _val
-    unset _val
     set +x
+    local _val _nval
+    unset _val
+    unset _nval
     while [ $# -gt 0 ]; do
-        _val="$_val $(_dogetargs $1)"
+        _nval=$(_dogetargs $1)
+        if [ -n "$_nval" ]; then
+            if [ -n "$_val" ]; then
+                _val="$_val $_nval"
+            else
+                _val="$_nval"
+            fi
+        fi
         shift
     done
     if [ -n "$_val" ]; then