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-rw-r--r--drivers/tty/serial/sh-sci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index cd41fe069b89..62f773286d44 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1407,7 +1407,7 @@ static void sci_dma_tx_work_fn(struct work_struct *work)
spin_lock_irq(&port->lock);
head = xmit->head;
tail = xmit->tail;
- buf = s->tx_dma_addr + (tail & (UART_XMIT_SIZE - 1));
+ buf = s->tx_dma_addr + tail;
s->tx_dma_len = CIRC_CNT_TO_END(head, tail, UART_XMIT_SIZE);
if (!s->tx_dma_len) {
/* Transmit buffer has been flushed */