video_core: Assert on invalid GPU to CPU address queries

1 files changed, 6 insertions, 5 deletions

diff --git a/src/video_core/engines/kepler_memory.cpp b/src/video_core/engines/kepler_memory.cpp
index 4880191fc..5c1029ddf 100644
--- a/src/video_core/engines/kepler_memory.cpp
+++ b/src/video_core/engines/kepler_memory.cpp
@@ -39,16 +39,17 @@ void KeplerMemory::ProcessData(u32 data) {
     ASSERT_MSG(regs.exec.linear, "Non-linear uploads are not supported");
     ASSERT(regs.dest.x == 0 && regs.dest.y == 0 && regs.dest.z == 0);
 
-    GPUVAddr address = regs.dest.Address();
-    VAddr dest_address =
-        *memory_manager.GpuToCpuAddress(address + state.write_offset * sizeof(u32));
+    const GPUVAddr address = regs.dest.Address();
+    const auto dest_address =
+        memory_manager.GpuToCpuAddress(address + state.write_offset * sizeof(u32));
+    ASSERT_MSG(dest_address, "Invalid GPU address");
 
     // We have to invalidate the destination region to evict any outdated surfaces from the cache.
     // We do this before actually writing the new data because the destination address might contain
     // a dirty surface that will have to be written back to memory.
-    rasterizer.InvalidateRegion(dest_address, sizeof(u32));
+    rasterizer.InvalidateRegion(*dest_address, sizeof(u32));
 
-    Memory::Write32(dest_address, data);
+    Memory::Write32(*dest_address, data);
     Core::System::GetInstance().GPU().Maxwell3D().dirty_flags.OnMemoryWrite();
 
     state.write_offset++;