[L0] Add nullopt check before init results access

ZeInitResult and ZeInitDriversResult could potentially be uninitialized, resulting in undefined behavior when accessed.
kswiecicki · Nov 28, 2024 · 2943768 · 2943768
1 parent db83117
commit 2943768
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/source/adapters/level_zero/adapter.cpp b/source/adapters/level_zero/adapter.cpp
@@ -385,8 +385,10 @@ ur_adapter_handle_t_::ur_adapter_handle_t_()
         }
       }
 
-      if (*GlobalAdapter->ZeInitResult == ZE_RESULT_SUCCESS ||
-          *GlobalAdapter->ZeInitDriversResult == ZE_RESULT_SUCCESS) {
+      if ((GlobalAdapter->ZeInitResult != std::nullopt &&
+           *GlobalAdapter->ZeInitResult == ZE_RESULT_SUCCESS) ||
+          (GlobalAdapter->ZeInitDriversResult != std::nullopt &&
+           *GlobalAdapter->ZeInitDriversResult == ZE_RESULT_SUCCESS)) {
         GlobalAdapter->ZeResult = ZE_RESULT_SUCCESS;
       } else {
         GlobalAdapter->ZeResult = ZE_RESULT_ERROR_UNINITIALIZED;