X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fdata%2Fdecode%2Frow.cpp;h=f1895ae4ef7c71bb100c46d645fc356cc4d78b57;hb=d5e790204dcc9a6aa8626294aa505634c179261f;hp=e5972517a446bc7a47b0ba3a6238e257b91b8114;hpb=81dc02212c05c99554194a15f9b584e6b500cda9;p=pulseview.git

diff --git a/pv/data/decode/row.cpp b/pv/data/decode/row.cpp
index e5972517..f1895ae4 100644
--- a/pv/data/decode/row.cpp
+++ b/pv/data/decode/row.cpp
@@ -17,6 +17,8 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <cassert>
+
 #include "decoder.hpp"
 #include "row.hpp"
 
@@ -75,11 +77,17 @@ const QString Row::description() const
 
 vector<AnnotationClass*> Row::ann_classes() const
 {
+	assert(decoder_);
+
 	vector<AnnotationClass*> result;
 
-	if (!srd_row_)
+	if (!srd_row_) {
+		if (index_ == 0) {
+			// When operating as the fallback row, all annotation classes belong to it
+			return decoder_->ann_classes();
+		}
 		return result;
-	assert(decoder_);
+	}
 
 	for (GSList *l = srd_row_->ann_classes; l; l = l->next) {
 		size_t class_id = (size_t)l->data;