[PATCH] mtd: rawnand: qcom: Use dma_mapping_error() for error check

[Manivannan Sadhasivam]

dma_mapping_error() should be used for checking the error value of
dma_map_resource() API.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasi...@linaro.org>
---
 drivers/mtd/nand/raw/qcom_nandc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/qcom_nandc.c 
b/drivers/mtd/nand/raw/qcom_nandc.c
index fe74cf3aece5..07b3c156a802 100644
--- a/drivers/mtd/nand/raw/qcom_nandc.c
+++ b/drivers/mtd/nand/raw/qcom_nandc.c
@@ -2990,7 +2990,7 @@ static int qcom_nandc_probe(struct platform_device *pdev)
        nandc->base_dma = dma_map_resource(dev, res->start,
                                           resource_size(res),
                                           DMA_BIDIRECTIONAL, 0);
-       if (!nandc->base_dma)
+       if (dma_mapping_error(dev, nandc->base_dma))
                return -ENXIO;
 
        ret = qcom_nandc_alloc(nandc);
-- 
2.25.1