From 7c7b3749d0dad0c50d36d758e4191309b72ffc64 Mon Sep 17 00:00:00 2001
From: Kirill Mitrakhovich <kirill.mitrahovich@yandex.ru>
Date: Mon, 23 Sep 2019 13:15:36 +0200
Subject: geniviextras: Fix potential crash during Qt cleanup V2

Access to static object pointer without checking.
Object might be already destroyed.

Change-Id: Ida459bc0e41f0b475293f2b69c44789f535df549
Reviewed-by: Bernd Weimer <bernd.weimer@pelagicore.com>
---
 src/geniviextras/qdltregistration.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/geniviextras/qdltregistration.cpp b/src/geniviextras/qdltregistration.cpp
index 47abe21..d8dccdc 100644
--- a/src/geniviextras/qdltregistration.cpp
+++ b/src/geniviextras/qdltregistration.cpp
@@ -55,6 +55,9 @@ QT_BEGIN_NAMESPACE
 
 void qtGeniviLogLevelChangedHandler(char context_id[], uint8_t log_level, uint8_t trace_status)
 {
+    if (!globalDltRegistration())
+        return;
+
     auto d = globalDltRegistration()->d_ptr;
     d->m_mutex.lock();
     const QLoggingCategory *category = d->dltLogLevelChanged(context_id, log_level, trace_status);
-- 
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