dma_mapping_error() should be used for checking the error value of dma_map_resource() API. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> --- 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
