298   if (husart == NULL)  in HAL_USART_Init()
314     if (husart->MspInitCallback == NULL)  in HAL_USART_Init()
357   if (husart == NULL)  in HAL_USART_DeInit()
371   if (husart->MspDeInitCallback == NULL)  in HAL_USART_DeInit()
444   if (pCallback == NULL)  in HAL_USART_RegisterCallback()
752     if ((pTxData == NULL) || (Size == 0))  in HAL_USART_Transmit()
772       ptxdata8bits  = NULL;  in HAL_USART_Transmit()
778       ptxdata16bits = NULL;  in HAL_USART_Transmit()
788       if (ptxdata8bits == NULL)  in HAL_USART_Transmit()
841     if ((pRxData == NULL) || (Size == 0))  in HAL_USART_Receive()
860       prxdata8bits  = NULL;  in HAL_USART_Receive()
866       prxdata16bits = NULL;  in HAL_USART_Receive()
888       if (prxdata8bits == NULL)  in HAL_USART_Receive()
945     if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0))  in HAL_USART_TransmitReceive()
977       prxdata8bits  = NULL;  in HAL_USART_TransmitReceive()
978       ptxdata8bits  = NULL;  in HAL_USART_TransmitReceive()
986       ptxdata16bits = NULL;  in HAL_USART_TransmitReceive()
987       prxdata16bits = NULL;  in HAL_USART_TransmitReceive()
1003         if (ptxdata8bits == NULL)  in HAL_USART_TransmitReceive()
1024         if (prxdata8bits == NULL)  in HAL_USART_TransmitReceive()
1077     if ((pTxData == NULL) || (Size == 0))  in HAL_USART_Transmit_IT()
1130     if ((pRxData == NULL) || (Size == 0))  in HAL_USART_Receive_IT()
1180     if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0))  in HAL_USART_TransmitReceive_IT()
1237     if ((pTxData == NULL) || (Size == 0))  in HAL_USART_Transmit_DMA()
1261     husart->hdmatx->XferAbortCallback = NULL;  in HAL_USART_Transmit_DMA()
1304     if ((pRxData == NULL) || (Size == 0))  in HAL_USART_Receive_DMA()
1330     husart->hdmarx->XferAbortCallback = NULL;  in HAL_USART_Receive_DMA()
1334     husart->hdmatx->XferHalfCpltCallback = NULL;  in HAL_USART_Receive_DMA()
1335     husart->hdmatx->XferCpltCallback = NULL;  in HAL_USART_Receive_DMA()
1341     husart->hdmatx->XferAbortCallback = NULL;  in HAL_USART_Receive_DMA()
1399     if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0))  in HAL_USART_TransmitReceive_DMA()
1433     husart->hdmarx->XferAbortCallback = NULL;  in HAL_USART_TransmitReceive_DMA()
1536     if (husart->hdmatx != NULL)  in HAL_USART_DMAStop()
1552     if (husart->hdmarx != NULL)  in HAL_USART_DMAStop()
1589     if (husart->hdmatx != NULL)  in HAL_USART_Abort()
1593       husart->hdmatx->XferAbortCallback = NULL;  in HAL_USART_Abort()
1605     if (husart->hdmarx != NULL)  in HAL_USART_Abort()
1609       husart->hdmarx->XferAbortCallback = NULL;  in HAL_USART_Abort()
1654   if (husart->hdmatx != NULL)  in HAL_USART_Abort_IT()
1664       husart->hdmatx->XferAbortCallback = NULL;  in HAL_USART_Abort_IT()
1668   if (husart->hdmarx != NULL)  in HAL_USART_Abort_IT()
1678       husart->hdmarx->XferAbortCallback = NULL;  in HAL_USART_Abort_IT()
1689     if (husart->hdmatx != NULL)  in HAL_USART_Abort_IT()
1697         husart->hdmatx->XferAbortCallback = NULL;  in HAL_USART_Abort_IT()
1712     if (husart->hdmarx != NULL)  in HAL_USART_Abort_IT()
1720         husart->hdmarx->XferAbortCallback = NULL;  in HAL_USART_Abort_IT()
1844           if (husart->hdmarx != NULL)  in HAL_USART_IRQHandler()
2391   husart->hdmatx->XferAbortCallback = NULL;  in USART_DMATxAbortCallback()
2394   if (husart->hdmarx != NULL)  in USART_DMATxAbortCallback()
2396     if (husart->hdmarx->XferAbortCallback != NULL)  in USART_DMATxAbortCallback()
2434   husart->hdmarx->XferAbortCallback = NULL;  in USART_DMARxAbortCallback()
2437   if (husart->hdmatx != NULL)  in USART_DMARxAbortCallback()
2439     if (husart->hdmatx->XferAbortCallback != NULL)  in USART_DMARxAbortCallback()
2547       pdata8bits  = NULL;  in USART_Receive_IT()
2555       pdata16bits  = NULL;  in USART_Receive_IT()
2627           pdata8bits  = NULL;  in USART_TransmitReceive_IT()
2653            pdata8bits  = NULL;  in USART_TransmitReceive_IT()
2661           pdata16bits  = NULL;  in USART_TransmitReceive_IT()