croak __"open_guest: first parameter must be a string or an arrayref"
}
+ # Check each element of @images is defined.
+ # (See https://bugzilla.redhat.com/show_bug.cgi?id=601092#c3).
+ foreach (@images) {
+ croak __"open_guest: first argument contains undefined element"
+ unless defined $_;
+ }
+
my ($conn, $dom);
if (-e $images[0]) {