From 9870027494b52e0daa54383a243a30a27ea42f5f Mon Sep 17 00:00:00 2001
From: Kai Uwe Broulik <kde@privat.broulik.de>
Date: Mon, 22 Jan 2018 11:10:11 +0100
Subject: [PATCH] [Plasma Theme] Guard against invalid KPluginInfo object

BUG: 389152

Differential Revision: https://phabricator.kde.org/D9961
---
 src/plasma/private/theme_p.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plasma/private/theme_p.cpp b/src/plasma/private/theme_p.cpp
index 26a0bba7f..c66221455 100644
--- a/src/plasma/private/theme_p.cpp
+++ b/src/plasma/private/theme_p.cpp
@@ -192,7 +192,9 @@ bool ThemePrivate::useCache()
             if (!themeMetadataPath.isEmpty()) {
                 // now we record the theme version, if we can
                 const KPluginInfo pluginInfo(themeMetadataPath);
-                themeVersion = pluginInfo.version();
+                if (pluginInfo.isValid()) {
+                    themeVersion = pluginInfo.version();
+                }
                 if (!themeVersion.isEmpty()) {
                     cacheFile += QLatin1String("_v") + themeVersion;
                     currentCacheFileName = cacheFile + QLatin1String(".kcache");