From 5e8ef901cedffbf8a0a0678642c35a287f29c480 Mon Sep 17 00:00:00 2001
From: Ivailo Monev <xakepa10@gmail.com>
Date: Fri, 10 May 2024 09:15:24 +0300
Subject: [PATCH] solid: check if the object is null before
 qobject_cast<T>()-ing it in return_SOLID_CALL() macro

fixes possible crashes, notably on FreeBSD the backend of which does not
implement all interfaces

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
---
 solid/solid/soliddefs_p.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/solid/solid/soliddefs_p.h b/solid/solid/soliddefs_p.h
index f8463c79..b1963013 100644
--- a/solid/solid/soliddefs_p.h
+++ b/solid/solid/soliddefs_p.h
@@ -24,8 +24,11 @@
 #include <QtCore/QObject>
 
 #define return_SOLID_CALL(Type, Object, Default, Method) \
+    if (Object == nullptr) { \
+        return Default; \
+    } \
     Type t = qobject_cast<Type>(Object); \
-    if (t!=0) \
+    if (t != nullptr) \
     { \
          return t->Method; \
     } \