From 692e9c3b9bcf0f6f0737ade83288678164a5be73 Mon Sep 17 00:00:00 2001
From: Thilo Graf <dbt@novatux.de>
Date: Tue, 15 Jun 2021 18:42:28 +0200
Subject: [PATCH] lcd4linux.cpp: avoid possible crash if getLiveFE() returns
 NULL

Watched with generic build for pc without tuner hardware.
---
 src/driver/lcd4l.cpp | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/driver/lcd4l.cpp b/src/driver/lcd4l.cpp
index 3e5539769..ab639771c 100644
--- a/src/driver/lcd4l.cpp
+++ b/src/driver/lcd4l.cpp
@@ -533,14 +533,16 @@ void CLCD4l::ParseInfo(uint64_t parseID, bool newID, bool firstRun)
 
 	/* ----------------------------------------------------------------- */
 
-	int Tuner = 1 + CFEManager::getInstance()->getLiveFE()->getNumber();
-
-	if (m_Tuner != Tuner)
+	if (CFEManager::getInstance()->getLiveFE())
 	{
-		WriteFile(TUNER, to_string(Tuner));
-		m_Tuner = Tuner;
-	}
+		int Tuner = 1 + CFEManager::getInstance()->getLiveFE()->getNumber();
 
+		if (m_Tuner != Tuner)
+		{
+			WriteFile(TUNER, to_string(Tuner));
+			m_Tuner = Tuner;
+		}
+	}
 	/* ----------------------------------------------------------------- */
 
 	int Volume = g_settings.current_volume;