From: Richard Heck <rgheck@lyx.org>
Date: Sun, 12 Jun 2016 03:03:15 +0000 (-0400)
Subject: Check to make sure we have a preview loader.
X-Git-Tag: 2.3.0alpha1~1491
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=df022f91b4e8c4537f1d499c7ad6afce9fc9bad9;p=features.git

Check to make sure we have a preview loader.

Fixes coverity #23353.
---

diff --git a/src/insets/RenderPreview.cpp b/src/insets/RenderPreview.cpp
index b05dca65b4..59a870c412 100644
--- a/src/insets/RenderPreview.cpp
+++ b/src/insets/RenderPreview.cpp
@@ -104,6 +104,9 @@ docstring const statusMessage(BufferView const * bv, string const & snippet)
 
 	Buffer const & buffer = bv->buffer();
 	graphics::PreviewLoader const * loader = buffer.loader();
+	// please coverity (probably worth the check anyway)
+	if (!loader)
+		return docstring();
 	graphics::PreviewLoader::Status const status = loader->status(snippet);
 
 	docstring message;