From: Robin Gong Date: Mon, 26 Apr 2021 08:59:09 +0000 (+0800) Subject: dmaengine: fsl-qdma: check dma_set_mask return value X-Git-Tag: accepted/tizen/unified/20230118.172025~6894^2~21 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f0c07993af0acf5545d5c1445798846565f4f147;p=platform%2Fkernel%2Flinux-rpi.git dmaengine: fsl-qdma: check dma_set_mask return value For fix below warning reported by static code analysis tool like Coverity from Synopsys: Signed-off-by: Robin Gong Addresses-Coverity-ID: 12285639 ("Unchecked return value") Link: https://lore.kernel.org/r/1619427549-20498-1-git-send-email-yibin.gong@nxp.com Signed-off-by: Vinod Koul --- 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);