fix access of possibly undefined variable

diff --git a/PVE/AccessControl.pm b/PVE/AccessControl.pm
index 955e143586017a63b3acdfa1590f17cafced6624..bfee816f05b59fb48b677148320044c466b4ad7a 100644 (file)
--- a/PVE/AccessControl.pm
+++ b/PVE/AccessControl.pm
@@ -708,6 +708,7 @@ sub parse_user_config {
 
     userconfig_force_defaults($cfg);
 
 
     userconfig_force_defaults($cfg);
 

+    $raw = '' if !defined($raw);

     while ($raw =~ /^\s*(.+?)\s*$/gm) {
        my $line = $1;
        my @data;
     while ($raw =~ /^\s*(.+?)\s*$/gm) {
        my $line = $1;
        my @data;