Lines Matching refs:NULL

36 static WVRCallbackFunc wvrCallback = NULL;
37 static void *wvrArg = NULL;
81     if (wvrCallback != NULL)  in WVR_StartUpAsync()
149     if (callback == NULL)  in WVR_StartUpAsync()
165         wvrCallback = NULL;  in WVR_StartUpAsync()
201     if (wvrCallback != NULL)  in WVR_TerminateAsync()
214     if (callback == NULL)  in WVR_TerminateAsync()
227         wvrCallback = NULL;  in WVR_TerminateAsync()
285         PXI_SetFifoRecvCallback(PXI_FIFO_TAG_WVR, NULL);  in WvrReceiveCallback()
290     if (cb != NULL)  in WvrReceiveCallback()
292         wvrCallback = NULL;  in WvrReceiveCallback()
293         wvrArg = NULL;  in WvrReceiveCallback()