Check explicitly if the queue member of ur_event is null instead of backend ownership

Author: Georgi Mirazchiyski

source/adapters/cuda/event.cpp

@@ -167,14 +167,13 @@ UR_APIEXPORT ur_result_t UR_APICALL urEventGetInfo(ur_event_handle_t hEvent,
   case UR_EVENT_INFO_COMMAND_QUEUE: {
     // If the runtime owns the native handle, we have reference to the queue.
     // Otherwise, the event handle comes from an interop API with no RT refs.
-    if (!hEvent->backendHasOwnership()) {
+    if (!hEvent->getQueue()) {
       setErrorMessage("Command queue info cannot be queried for the event. The "
                       "event object was created from a native event and has no "
                       "valid reference to a command queue.",
                       UR_RESULT_ERROR_INVALID_VALUE);
       return UR_RESULT_ERROR_ADAPTER_SPECIFIC;
     }
-    assert(hEvent->getQueue());
     return ReturnValue(hEvent->getQueue());
   }
   case UR_EVENT_INFO_COMMAND_TYPE:

source/adapters/hip/event.cpp

@@ -181,14 +181,13 @@ UR_APIEXPORT ur_result_t UR_APICALL urEventGetInfo(ur_event_handle_t hEvent,
   case UR_EVENT_INFO_COMMAND_QUEUE: {
     // If the runtime owns the native handle, we have reference to the queue.
     // Otherwise, the event handle comes from an interop API with no RT refs.
-    if (!hEvent->backendHasOwnership()) {
+    if (!hEvent->getQueue()) {
       setErrorMessage("Command queue info cannot be queried for the event. The "
                       "event object was created from a native event and has no "
                       "valid reference to a command queue.",
                       UR_RESULT_ERROR_INVALID_VALUE);
       return UR_RESULT_ERROR_ADAPTER_SPECIFIC;
     }
-    assert(hEvent->getQueue());
     return ReturnValue(hEvent->getQueue());
   }
   case UR_EVENT_INFO_COMMAND_TYPE: