1 files changed, 2 insertions, 4 deletions

diff --git a/util-linux/fdformat.c b/util-linux/fdformat.c
index c4f97ae34..eac7b15e9 100644
--- a/util-linux/fdformat.c
+++ b/util-linux/fdformat.c
@@ -41,7 +41,7 @@ struct format_descr {
 #define FD_FILL_BYTE 0xF6 /* format fill byte. */
 
 int fdformat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int fdformat_main(int argc, char **argv)
+int fdformat_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
         int fd, n, cyl, read_bytes, verify;
         unsigned char *data;
@@ -49,9 +49,7 @@ int fdformat_main(int argc, char **argv)
         struct floppy_struct param;
         struct format_descr descr;
 
-        if (argc < 2) {
-                bb_show_usage();
-        }
+        opt_complementary = "=1"; /* must have 1 param */
         verify = !getopt32(argv, "n");
         argv += optind;