266   if (husart == NULL)  in HAL_USART_Init()
282     if (husart->MspInitCallback == NULL)  in HAL_USART_Init()
328   if (husart == NULL)  in HAL_USART_DeInit()
343   if (husart->MspDeInitCallback == NULL)  in HAL_USART_DeInit()
419   if (pCallback == NULL)  in HAL_USART_RegisterCallback()
727     if ((pTxData == NULL) || (Size == 0U))  in HAL_USART_Transmit()
758       ptxdata8bits  = NULL;  in HAL_USART_Transmit()
764       ptxdata16bits = NULL;  in HAL_USART_Transmit()
774       if (ptxdata8bits == NULL)  in HAL_USART_Transmit()
841     if ((pRxData == NULL) || (Size == 0U))  in HAL_USART_Receive()
876       prxdata8bits  = NULL;  in HAL_USART_Receive()
882       prxdata16bits = NULL;  in HAL_USART_Receive()
906       if (prxdata8bits == NULL)  in HAL_USART_Receive()
966     if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0U))  in HAL_USART_TransmitReceive()
1003       prxdata8bits  = NULL;  in HAL_USART_TransmitReceive()
1004       ptxdata8bits  = NULL;  in HAL_USART_TransmitReceive()
1012       ptxdata16bits = NULL;  in HAL_USART_TransmitReceive()
1013       prxdata16bits = NULL;  in HAL_USART_TransmitReceive()
1023       if (ptxdata8bits == NULL)  in HAL_USART_TransmitReceive()
1049         if (ptxdata8bits == NULL)  in HAL_USART_TransmitReceive()
1071         if (prxdata8bits == NULL)  in HAL_USART_TransmitReceive()
1120     if ((pTxData == NULL) || (Size == 0U))  in HAL_USART_Transmit_IT()
1142     husart->TxISR       = NULL;  in HAL_USART_Transmit_IT()
1200     if ((pRxData == NULL) || (Size == 0U))  in HAL_USART_Receive_IT()
1222     husart->RxISR       = NULL;  in HAL_USART_Receive_IT()
1295     if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0U))  in HAL_USART_TransmitReceive_IT()
1389     if ((pTxData == NULL) || (Size == 0U))  in HAL_USART_Transmit_DMA()
1415     if (husart->hdmatx != NULL)  in HAL_USART_Transmit_DMA()
1491     if ((pRxData == NULL) || (Size == 0U))  in HAL_USART_Receive_DMA()
1518     if (husart->hdmarx != NULL)  in HAL_USART_Receive_DMA()
1539       if (husart->hdmatx != NULL)  in HAL_USART_Receive_DMA()
1541         husart->hdmatx->XferErrorCallback = NULL;  in HAL_USART_Receive_DMA()
1542         husart->hdmatx->XferHalfCpltCallback = NULL;  in HAL_USART_Receive_DMA()
1543         husart->hdmatx->XferCpltCallback = NULL;  in HAL_USART_Receive_DMA()
1574       if (husart->hdmarx != NULL)  in HAL_USART_Receive_DMA()
1625     if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0U))  in HAL_USART_TransmitReceive_DMA()
1652     if ((husart->hdmarx != NULL) && (husart->hdmatx != NULL))  in HAL_USART_TransmitReceive_DMA()
1717       if (husart->hdmarx != NULL)  in HAL_USART_TransmitReceive_DMA()
1856   if (husart->hdmatx != NULL)  in HAL_USART_DMAStop()
1870   if (husart->hdmarx != NULL)  in HAL_USART_DMAStop()
1914     if (husart->hdmatx != NULL)  in HAL_USART_Abort()
1918       husart->hdmatx->XferAbortCallback = NULL;  in HAL_USART_Abort()
1940     if (husart->hdmarx != NULL)  in HAL_USART_Abort()
1944       husart->hdmarx->XferAbortCallback = NULL;  in HAL_USART_Abort()
2003   if (husart->hdmatx != NULL)  in HAL_USART_Abort_IT()
2013       husart->hdmatx->XferAbortCallback = NULL;  in HAL_USART_Abort_IT()
2017   if (husart->hdmarx != NULL)  in HAL_USART_Abort_IT()
2027       husart->hdmarx->XferAbortCallback = NULL;  in HAL_USART_Abort_IT()
2038     if (husart->hdmatx != NULL)  in HAL_USART_Abort_IT()
2046         husart->hdmatx->XferAbortCallback = NULL;  in HAL_USART_Abort_IT()
2062     if (husart->hdmarx != NULL)  in HAL_USART_Abort_IT()
2070         husart->hdmarx->XferAbortCallback = NULL;  in HAL_USART_Abort_IT()
2135       if (husart->RxISR != NULL)  in HAL_USART_IRQHandler()
2198         if (husart->RxISR != NULL)  in HAL_USART_IRQHandler()
2222           if (husart->hdmatx != NULL)  in HAL_USART_IRQHandler()
2226             husart->hdmatx->XferAbortCallback = NULL;  in HAL_USART_IRQHandler()
2233           if (husart->hdmarx != NULL)  in HAL_USART_IRQHandler()
2293     if (husart->TxISR != NULL)  in HAL_USART_IRQHandler()
2712   husart->hdmatx->XferAbortCallback = NULL;  in USART_DMATxAbortCallback()
2715   if (husart->hdmarx != NULL)  in USART_DMATxAbortCallback()
2717     if (husart->hdmarx->XferAbortCallback != NULL)  in USART_DMATxAbortCallback()
2760   husart->hdmarx->XferAbortCallback = NULL;  in USART_DMARxAbortCallback()
2763   if (husart->hdmatx != NULL)  in USART_DMARxAbortCallback()
2765     if (husart->hdmatx->XferAbortCallback != NULL)  in USART_DMARxAbortCallback()
2925   husart->RxISR   = NULL;  in USART_SetConfig()
2926   husart->TxISR   = NULL;  in USART_SetConfig()
3061   husart->TxISR = NULL;  in USART_EndTransmit_IT()
3130       husart->RxISR = NULL;  in USART_RxISR_8BIT()
3212       husart->RxISR = NULL;  in USART_RxISR_16BIT()