From: Wei Yongjun <[email protected]>

Fix to return -ENODEV in the dma channel request error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <[email protected]>
---
v1 -> v2: set ret for error cases only
---
 drivers/mtd/nand/fsmc_nand.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c
index 0e5a1d9..95e1768 100644
--- a/drivers/mtd/nand/fsmc_nand.c
+++ b/drivers/mtd/nand/fsmc_nand.c
@@ -1035,12 +1035,14 @@ static int __init fsmc_nand_probe(struct 
platform_device *pdev)
                host->read_dma_chan = dma_request_channel(mask, filter,
                                pdata->read_dma_priv);
                if (!host->read_dma_chan) {
+                       ret = -ENODEV;
                        dev_err(&pdev->dev, "Unable to get read dma channel\n");
                        goto err_req_read_chnl;
                }
                host->write_dma_chan = dma_request_channel(mask, filter,
                                pdata->write_dma_priv);
                if (!host->write_dma_chan) {
+                       ret = -ENODEV;
                        dev_err(&pdev->dev, "Unable to get write dma 
channel\n");
                        goto err_req_write_chnl;
                }

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