From a35dfe62004abaa116d01155605e3f3df379688c Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <dvlasenk@redhat.com>
Date: Mon, 6 Sep 2010 16:31:18 +0200
Subject: [PATCH] blockdev: make "blockdev --rereadpt /dev/sda EXTRA_ARG"
 complain. +6 bytes.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
---
 util-linux/blockdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util-linux/blockdev.c b/util-linux/blockdev.c
index 9b5d86d00..a780d2238 100644
--- a/util-linux/blockdev.c
+++ b/util-linux/blockdev.c
@@ -142,7 +142,7 @@ int blockdev_main(int argc, char **argv)
 	lu = llu;
 	iarg = llu;
 
-	if (!*++argv)
+	if (!*++argv || argv[1])
 		bb_show_usage();
 	fd = xopen(*argv, O_RDONLY);