[PATCH v2] mtd: fsmc_nand: fix error return code in fsmc_nand_probe()

[Wei Yongjun]

From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>

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 <yongjun_wei at trendmicro.com.cn>
---
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;
 		}