No need to check non-zeroness first and then clear. Just set to zero unconditionally. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> --- drivers/tty/serial/8250/8250_dma.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c index a8dba4a0a8fb..d99020fd3427 100644 --- a/drivers/tty/serial/8250/8250_dma.c +++ b/drivers/tty/serial/8250/8250_dma.c @@ -107,8 +107,7 @@ int serial8250_tx_dma(struct uart_8250_port *p) dma_async_issue_pending(dma->txchan); serial8250_clear_THRI(p); - if (dma->tx_err) - dma->tx_err = 0; + dma->tx_err = 0; return 0; err: -- tg: (568035b01cfb..) 8250dma/tx_err-clear-unconditionally (depends on: tty-next)