[settings] Allow "config" command to access root settings block

diff --git a/src/hci/commands/config_cmd.c b/src/hci/commands/config_cmd.c
index 5a34cea..660c642 100644 (file)
--- a/src/hci/commands/config_cmd.c
+++ b/src/hci/commands/config_cmd.c
@@ -5,7 +5,8 @@
 #include <gpxe/settings_ui.h>
 
 static int config_exec ( int argc, char **argv ) {
-       struct settings *settings = NULL;
+       char *settings_name;
+       struct settings *settings;
        int rc;
 
        if ( argc > 2 ) {
@@ -14,12 +15,11 @@ static int config_exec ( int argc, char **argv ) {
                return 1;
        }
 
-       if ( argc == 2 ) {
-               settings = find_settings ( argv[1] );
-               if ( ! settings ) {
-                       printf ( "No such scope \"%s\"\n", argv[1] );
-                       return 1;
-               }
+       settings_name = ( ( argc == 2 ) ? argv[1] : "" );
+       settings = find_settings ( argv[1] );
+       if ( ! settings ) {
+               printf ( "No such scope \"%s\"\n", settings_name );
+               return 1;
        }
 
        if ( ( rc = settings_ui ( settings ) ) != 0 ) {