only check first argument if we have one

2 years ago · b385eb548a
parent d82afec5de
commit b385eb548a
1 changed files with 1 additions and 1 deletions
--- a/2
+++ b/2
@ -4150,7 +4150,7 @@ sub main() {
    # this is like:
    # lxc-usernsexec -- lxc-unshare -s 'MOUNT|PID|UTSNAME|IPC' ...
    # but without needing lxc
-    if ($ARGV[0] eq "--unshare-helper") {
+    if (scalar @ARGV >= 1 && $ARGV[0] eq "--unshare-helper") {
        if ($EFFECTIVE_USER_ID != 0 && !test_unshare_userns(1)) {
            exit 1;
        }