[patch] bridge-utils: show selected bridge

@@ -338,8 +338,14 @@ static int show_bridge(const char *name, void *arg)

 static int br_cmd_show(int argc, char *const* argv)
 {
+       int i = 0;
+
        printf("bridge name\tbridge id\t\tSTP enabled\tinterfaces\n");
-       br_foreach_bridge(show_bridge, NULL);
+       if (argc == 1)
+               br_foreach_bridge(show_bridge, NULL);
+       else
+               for(i = 2; i <= argc; i++)
+                       show_bridge(argv[i - 1], NULL);
        return 0;
 }

@@ -454,7 +460,8 @@ static const struct command commands[] = {
          "<bridge> <port> <cost>\tset path cost" },
        { 3, "setportprio", br_cmd_setportprio,
          "<bridge> <port> <prio>\tset port priority" },
-       { 0, "show", br_cmd_show, "\t\t\tshow a list of bridges" },
+       { 0, "show", br_cmd_show,
+         "[ <bridge> ]\t\tshow a list of bridges" },
        { 1, "showmacs", br_cmd_showmacs,
          "<bridge>\t\tshow a list of mac addrs"},
        { 1, "showstp", br_cmd_showstp,