Messages in this thread Patch in this message | | | From | Robin Gong <> | Subject | [PATCH v3] dmaengine: fsl-qdma: check dma_set_mask return value | Date | Mon, 26 Apr 2021 16:59:09 +0800 |
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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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