1 files changed, 4 insertions, 6 deletions

diff --git a/miscutils/mt.c b/miscutils/mt.c
index c16073c61..c56a8e0ca 100644
--- a/miscutils/mt.c
+++ b/miscutils/mt.c
@@ -81,24 +81,22 @@ static const char opcode_name[] ALIGN1 =
         "weof"            "\0";
 
 int mt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int mt_main(int argc, char **argv)
+int mt_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
         const char *file = "/dev/tape";
         struct mtop op;
         struct mtpos position;
         int fd, mode, idx;
 
-        if (argc < 2) {
+        if (!argv[1]) {
                 bb_show_usage();
         }
 
         if (strcmp(argv[1], "-f") == 0) {
-                if (argc < 4) {
+                if (!argv[2] || !argv[3])
                         bb_show_usage();
-                }
                 file = argv[2];
                 argv += 2;
-                argc -= 2;
         }
 
         idx = index_in_strings(opcode_name, argv[1]);
@@ -107,7 +105,7 @@ int mt_main(int argc, char **argv)
                 bb_error_msg_and_die("unrecognized opcode %s", argv[1]);
 
         op.mt_op = opcode_value[idx];
-        if (argc >= 3)
+        if (argv[2])
                 op.mt_count = xatoi_u(argv[2]);
         else
                 op.mt_count = 1;                /* One, not zero, right? */