spi: sirf: fix error return code in spi_sirfsoc_probe()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
index 546fae2c107a..acfca880fe84 100644
--- a/drivers/spi/spi-sirf.c
+++ b/drivers/spi/spi-sirf.c
@@ -650,12 +650,14 @@ static int spi_sirfsoc_probe(struct platform_device *pdev)
                 (void *)rx_dma_ch);
         if (!sspi->rx_chan) {
                 dev_err(&pdev->dev, "can not allocate rx dma channel\n");
+                ret = -ENODEV;
                 goto free_master;
         }
         sspi->tx_chan = dma_request_channel(dma_cap_mask, (dma_filter_fn)sirfsoc_dma_filter_id,
                 (void *)tx_dma_ch);
         if (!sspi->tx_chan) {
                 dev_err(&pdev->dev, "can not allocate tx dma channel\n");
+                ret = -ENODEV;
                 goto free_rx_dma;
         }
 
@@ -678,8 +680,10 @@ static int spi_sirfsoc_probe(struct platform_device *pdev)
         writel(0, sspi->base + SIRFSOC_SPI_DUMMY_DELAY_CTL);
 
         sspi->dummypage = kmalloc(2 * PAGE_SIZE, GFP_KERNEL);
-        if (!sspi->dummypage)
+        if (!sspi->dummypage) {
+                ret = -ENOMEM;
                 goto free_clk;
+        }
 
         ret = spi_bitbang_start(&sspi->bitbang);
         if (ret)