(run_treeview_dialog) don't crash if passed an invalid mode

1 files changed, 1 insertions, 0 deletions

diff --git a/rpmdrake b/rpmdrake
index aefad33b..2e75f6f8 100755
--- a/rpmdrake
+++ b/rpmdrake
@@ -638,6 +638,7 @@ sub run_treeview_dialog {
     my ($urpm, $pkgs, $descriptions);
     my $pkgs_provider = sub {
         my ($options, $mode) = @_;
+        return if !$mode;
         my $h = &get_pkgs($urpm, $options); # was given (1, @_) for updates
         ($urpm, $descriptions) = @$h{qw(urpm update_descr)};
         my %filter_methods = (