If by some reason pxa2xx_spi_dma_prepare() fails we have not to ignore its
error. In such case we abort the transfer and return the error to upper level.

Signed-off-by: Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Cc: Jarkko Nikula <jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
---
  drivers/spi/spi-pxa2xx.c | 8 +++++++-
  1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 267a3a2..2e6915c 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c

@@ -890,6 +890,7 @@ static void pump_transfers(unsigned long data)
  	u32 dma_thresh = drv_data->cur_chip->dma_threshold;
  	u32 dma_burst = drv_data->cur_chip->dma_burst_size;
  	u32 change_mask = pxa2xx_spi_get_ssrc1_change_mask(drv_data);
+	int err;

  	/* Get current state information */
  	message = drv_data->cur_msg;

@@ -1024,7 +1025,12 @@ static void pump_transfers(unsigned long data)
  		/* Ensure we have the correct interrupt handler */
  		drv_data->transfer_handler = pxa2xx_spi_dma_transfer;

-		pxa2xx_spi_dma_prepare(drv_data, dma_burst);
+		err = pxa2xx_spi_dma_prepare(drv_data, dma_burst);
+		if (err) {
+			message->status = err;
+			giveback(drv_data);
+			return;
+		}