1 files changed, 5 insertions, 4 deletions

diff --git a/util-linux/blkid.c b/util-linux/blkid.c
index c30360c65..1bbc80311 100644
--- a/util-linux/blkid.c
+++ b/util-linux/blkid.c
@@ -8,23 +8,24 @@
  */
 
 //usage:#define blkid_trivial_usage
-//usage:       ""
+//usage:       "[BLOCKDEV]..."
 //usage:#define blkid_full_usage "\n\n"
 //usage:       "Print UUIDs of all filesystems"
 
 #include "libbb.h"
 #include "volume_id.h"
 
-//TODO: extend to take BLOCKDEV args, and show TYPE="fstype"
-
 int blkid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int blkid_main(int argc UNUSED_PARAM, char **argv)
 {
+        int scan_devices = 1;
+
         while (*++argv) {
                 /* Note: bogus device names don't cause any error messages */
                 add_to_uuid_cache(*argv);
+                scan_devices = 0;
         }
 
-        display_uuid_cache();
+        display_uuid_cache(scan_devices);
         return 0;
 }