loginctl: when showing device tree of seats with no devices show something useful

diff --git a/src/login/sysfs-show.c b/src/login/sysfs-show.c
index 3286411de88b7637ad24d5dac4c45e7da53e0321..939bd6125e21f23a1d6598d0bc7d990daed78426 100644 (file)
--- a/src/login/sysfs-show.c
+++ b/src/login/sysfs-show.c
@@ -179,6 +179,8 @@ int show_sysfs(const char *seat, const char *prefix, unsigned n_columns) {
         first = udev_enumerate_get_list_entry(e);
         if (first)
                 show_sysfs_one(udev, seat, &first, "/", prefix, n_columns);
+        else
+                printf("%s%s%s\n", prefix, draw_special_char(DRAW_TREE_RIGHT), "(none)");
 
         return r;
 }