From: Robin Gong <yibin.gong@nxp.com>
Date: Mon, 26 Apr 2021 08:59:09 +0000 (+0800)
Subject: dmaengine: fsl-qdma: check dma_set_mask return value
X-Git-Tag: v5.12.19~254
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30629a780578af7ab6bfe8350195a3612fcd2669;p=thirdparty%2Fkernel%2Fstable.git

dmaengine: fsl-qdma: check dma_set_mask return value

[ Upstream commit f0c07993af0acf5545d5c1445798846565f4f147 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c
index ed2ab46b15e7f..045ead46ec8fc 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);