diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c
index 37d6af2ec4272..5594883a96f8a 100644
--- a/drivers/tty/serial/8250/8250_dma.c
+++ b/drivers/tty/serial/8250/8250_dma.c
@@ -62,9 +62,14 @@ static void dma_rx_complete(void *param)
 	struct uart_8250_dma *dma = p->dma;
 	unsigned long flags;
 
-	__dma_rx_complete(p);
-
 	spin_lock_irqsave(&p->port.lock, flags);
+	if (dma->rx_running)
+		__dma_rx_complete(p);
+
+	/*
+	 * Cannot be combined with the previous check because __dma_rx_complete()
+	 * changes dma->rx_running.
+	 */
 	if (!dma->rx_running && (serial_lsr_in(p) & UART_LSR_DR))
 		p->dma->rx_dma(p);
 	spin_unlock_irqrestore(&p->port.lock, flags);