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    Subject[PATCH] serial: sirf: Simplify a test
    Date
    '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(-)

    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;
    }
    --
    2.9.3
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