Don't try to poke at the header on deinit if MPQueue is nullptr

melonDS-emu · Dec 8, 2023 · 5ef35a4 · 5ef35a4
1 parent 890a66c
commit 5ef35a4
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/src/frontend/qt_sdl/LocalMP.cpp b/src/frontend/qt_sdl/LocalMP.cpp
@@ -303,10 +303,13 @@ void DeInit()
     if (MPQueue)
     {
         MPQueue->lock();
-        MPQueueHeader* header = (MPQueueHeader*)MPQueue->data();
-        header->ConnectedBitmask &= ~(1 << InstanceID);
-        header->InstanceBitmask &= ~(1 << InstanceID);
-        header->NumInstances--;
+        if (MPQueue->data() != nullptr)
+        {
+            MPQueueHeader *header = (MPQueueHeader *) MPQueue->data();
+            header->ConnectedBitmask &= ~(1 << InstanceID);
+            header->InstanceBitmask &= ~(1 << InstanceID);
+            header->NumInstances--;
+        }
         MPQueue->unlock();
 
         SemPoolDeinit();