From: Soeren Apel <redacted>
Date: Sun, 3 May 2020 10:17:38 +0000 (+0200)
Subject: Fix #1540 by adding a null pointer check
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=f95b1d810934308db9a0d71743f8462c16b79a0c

Fix #1540 by adding a null pointer check
---

diff --git a/pv/views/decoder_binary/view.cpp b/pv/views/decoder_binary/view.cpp
index 797321fc..94e9cc67 100644
--- a/pv/views/decoder_binary/view.cpp
+++ b/pv/views/decoder_binary/view.cpp
@@ -371,8 +371,9 @@ void View::on_selected_class_changed(int index)
 {
 	bin_class_id_ = class_selector_->itemData(index).value<uint32_t>();
 
-	binary_data_exists_ =
-		signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_);
+	binary_data_exists_ = (signal_) ?
+		signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_) :
+		false;
 
 	update_data();
 }