shell: ncache: Fix #5930

6 years ago · 4e8659c72a
1 changed files with 2 additions and 2 deletions
--- a/sys/shell/commands/sc_ipv6_nc.c
+++ b/sys/shell/commands/sc_ipv6_nc.c
@ -237,10 +237,10 @@ int _ipv6_nc_manage(int argc, char **argv)
    }

    if (argc > 1) {
-        if (strcmp("add", argv[1]) == 0) {
+        if ((argc > 2) && (strcmp("add", argv[1]) == 0)) {
            return _ipv6_nc_add(argc - 2, &argv[2]);
        }
-        if (strcmp("del", argv[1]) == 0) {
+        if ((argc > 2) && (strcmp("del", argv[1]) == 0)) {
            return _ipv6_nc_del(argv[2]);
        }
        if (strcmp("reset", argv[1]) == 0) {