LF-3676 dmaengine: fsl-qdma: check dma_set_mask return value

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>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
(cherry picked from commit 06397bad8f525f315c8298a66bd04f41090e2217)

diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c
index f170483..078f0c3 100644 (file)
--- a/drivers/dma/fsl-qdma.c
+++ b/drivers/dma/fsl-qdma.c
@@ -1237,7 +1237,11 @@ 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);