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Subject[PATCH v3] dmaengine: fsl-qdma: check dma_set_mask return value
Date
For fix below warning reported by static code analysis tool like Coverity
from Synopsys:

'CID 12285639 (#1 of 2): Unchecked return value (CHECKED_RETURN)'

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
---
drivers/dma/fsl-qdma.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c
index ed2ab46..045ead4 100644
--- a/drivers/dma/fsl-qdma.c
+++ b/drivers/dma/fsl-qdma.c
@@ -1235,7 +1235,11 @@ static int fsl_qdma_probe(struct platform_device *pdev)
fsl_qdma->dma_dev.device_synchronize = fsl_qdma_synchronize;
fsl_qdma->dma_dev.device_terminate_all = fsl_qdma_terminate_all;

- dma_set_mask(&pdev->dev, DMA_BIT_MASK(40));
+ ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(40));
+ if (ret) {
+ dev_err(&pdev->dev, "dma_set_mask failure.\n");
+ return ret;
+ }

platform_set_drvdata(pdev, fsl_qdma);

--
2.7.4
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