From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
robh+dt@kernel.org
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
boris.brezillon@collabora.com, Daniele.Palmas@telit.com,
bjorn.andersson@linaro.org,
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Subject: [PATCH] mtd: rawnand: qcom: Use dma_mapping_error() for error check
Date: Mon, 5 Apr 2021 10:39:12 +0530 [thread overview]
Message-ID: <20210405050912.115591-1-manivannan.sadhasivam@linaro.org> (raw)
dma_mapping_error() should be used for checking the error value of
dma_map_resource() API.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@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
next reply other threads:[~2021-04-05 5:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-05 5:09 Manivannan Sadhasivam [this message]
2021-04-07 9:06 ` [PATCH] mtd: rawnand: qcom: Use dma_mapping_error() for error check Miquel Raynal
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