From caa23df465745006ff1c45104b7e240a4f2adc83 Mon Sep 17 00:00:00 2001
From: Alberto Griggio <agriggio@users.noreply.github.com>
Date: Mon, 6 May 2019 09:27:44 +0200
Subject: [PATCH] report "Unknown" for unknown lenses

(cherry picked from commit 36d7710ee270d776729d926b7c4ba028713bdb06)
---
 rtengine/imagedata.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rtengine/imagedata.cc b/rtengine/imagedata.cc
index eb8fed1d8..1977061db 100644
--- a/rtengine/imagedata.cc
+++ b/rtengine/imagedata.cc
@@ -283,6 +283,9 @@ FramesData::FramesData(const Glib::ustring &fname) :
         if (lens.empty()) {
             lens = "Unknown";
         }
+        if (lens.empty()) {
+            lens = "Unknown";
+        }
 
         std::string datetime_taken;
         if (find_exif_tag("Exif.Image.DateTimeOriginal")) {