On 26-04-21, 16:59, Robin Gong wrote: > For fix below warning reported by static code analysis tool like Coverity > from Synopsys: > > 'CID 12285639 (#1 of 2): Unchecked return value (CHECKED_RETURN)' This should be: Addresses-Coverity-ID: 12285639 ("Unchecked return value") I have fixed that up and applied > > Signed-off-by: Robin Gong <yibin.gong@xxxxxxx> > --- > 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 -- ~Vinod