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dmaengine: fsl-qdma: check dma_set_mask return value
author
Robin Gong
<yibin.gong@nxp.com>
Mon, 26 Apr 2021 08:59:09 +0000
(16:59 +0800)
committer
Vinod Koul
<vkoul@kernel.org>
Mon, 10 May 2021 14:21:03 +0000
(19:51 +0530)
For fix below warning reported by static code analysis tool like Coverity
from Synopsys:
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
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 <vkoul@kernel.org>
drivers/dma/fsl-qdma.c
patch
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diff --git
a/drivers/dma/fsl-qdma.c
b/drivers/dma/fsl-qdma.c
index
ed2ab46
..
045ead4
100644
(file)
--- 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);