- we take exactly one argument.

diff --git a/miscutils/raidautorun.c b/miscutils/raidautorun.c
index c2563049444fde6b8e4114d6f1125f22485c9c6d..e5bce9a92f47b48e748db71a17362d66fb2d67d8 100644 (file)
--- a/miscutils/raidautorun.c
+++ b/miscutils/raidautorun.c
@@ -15,6 +15,9 @@
 
 int raidautorun_main(int argc, char **argv)
 {
+       if (argc != 2)
+               bb_show_usage();
+
        if (ioctl(xopen(argv[1], O_RDONLY), RAID_AUTORUN, NULL) != 0) {
                bb_perror_msg_and_die("ioctl");
        }