diff mbox

serial: sirf: Simplify a test

Message ID 20161101070333.12255-1-christophe.jaillet@wanadoo.fr (mailing list archive)
State New, archived
Headers show

Commit Message

Christophe JAILLET Nov. 1, 2016, 7:03 a.m. UTC 
'dmaengine_prep_dma_cyclic()' does not return an error pointer, so the test
can be simplified to be more consistent.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/tty/serial/sirfsoc_uart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c
index b186c9c4f850..666ca3156961 100644
--- a/drivers/tty/serial/sirfsoc_uart.c
+++ b/drivers/tty/serial/sirfsoc_uart.c
@@ -609,7 +609,7 @@  static void sirfsoc_uart_start_next_rx_dma(struct uart_port *port)
 		sirfport->rx_dma_items.dma_addr, SIRFSOC_RX_DMA_BUF_SIZE,
 		SIRFSOC_RX_DMA_BUF_SIZE / 2,
 		DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT);
-	if (IS_ERR_OR_NULL(sirfport->rx_dma_items.desc)) {
+	if (!sirfport->rx_dma_items.desc) {
 		dev_err(port->dev, "DMA slave single fail\n");
 		return;
 	}