[PATCH 4/4] btrfs-progs: "device ready" accepts just one device

[Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>]

* actual result

  =======================================
  # ./btrfs device ready /dev/sdb foo
  #
  =======================================

* expecting result

  =======================================
  # ./btrfs device ready /dev/sdb foo
  btrfs device ready: too many arguments
  usage: btrfs device ready <device>

      Check device to see if it has all of its devices in cache for mounting

  #
  =======================================

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
---
 cmds-device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmds-device.c b/cmds-device.c
index 33da2ce..23656c3 100644
--- a/cmds-device.c
+++ b/cmds-device.c
@@ -326,7 +326,7 @@ static int cmd_device_ready(int argc, char **argv)

 	clean_args_no_options(argc, argv, cmd_device_ready_usage);

-	if (check_argc_min(argc - optind, 1))
+	if (check_argc_exact(argc - optind, 1))
 		usage(cmd_device_ready_usage);

 	fd = open("/dev/btrfs-control", O_RDWR);
-- 
2.7.0