ip tunnel: unify parsing args; no obj-code changes

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/networking/libiproute/iptunnel.c b/networking/libiproute/iptunnel.c
index c36c7136f..257343826 100644
--- a/networking/libiproute/iptunnel.c
+++ b/networking/libiproute/iptunnel.c
@@ -561,11 +561,10 @@ int do_iptunnel(char **argv)
         static const char keywords[] ALIGN1 =
                 "add\0""change\0""delete\0""show\0""list\0""lst\0";
         enum { ARG_add = 0, ARG_change, ARG_del, ARG_show, ARG_list, ARG_lst };
-        int key;
 
         if (*argv) {
-                key = index_in_substrings(keywords, *argv);
-                if (key < 0)
+                smalluint key = index_in_substrings(keywords, *argv);
+                if (key > 5)
                         bb_error_msg_and_die(bb_msg_invalid_arg, *argv, applet_name);
                 argv++;
                 if (key == ARG_add)