Qt: fix 'Limit to display filter' functionality in Conversations/Endpoints windows

Change-Id: Ib57df32fbbe820b1105b11200b112d56a112e2a9
Reviewed-on: https://code.wireshark.org/review/6180
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
Reviewed-by: Gerald Combs <gerald@wireshark.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/ui/qt/traffic_table_dialog.cpp b/ui/qt/traffic_table_dialog.cpp
index 29d1d19fa8..e4b1034c64 100644
--- a/ui/qt/traffic_table_dialog.cpp
+++ b/ui/qt/traffic_table_dialog.cpp
@@ -164,7 +164,8 @@ void TrafficTableDialog::on_displayFilterCheckBox_toggled(bool checked)
     }
 
     for (int i = 0; i < ui->trafficTableTabWidget->count(); i++) {
-        set_tap_dfilter(ui->trafficTableTabWidget->widget(i), filter);
+        TrafficTableTreeWidget *cur_tree = qobject_cast<TrafficTableTreeWidget *>(ui->trafficTableTabWidget->widget(i));
+        set_tap_dfilter(cur_tree->trafficTreeHash(), filter);
     }
 
     cap_file_.retapPackets();