diff mbox series

media: coda/imx-vdoa: Handle dma_set_coherent_mask error codes

Message ID 20211206022201.1639460-1-jiasheng@iscas.ac.cn
State Accepted
Commit 43f0633f89947df57fe0b5025bdd741768007708
Headers show
Series media: coda/imx-vdoa: Handle dma_set_coherent_mask error codes | expand

Commit Message

Jiasheng Jiang Dec. 6, 2021, 2:22 a.m. UTC
The return value of dma_set_coherent_mask() is not always 0.
To catch the exception in case that dma is not support the mask.

Fixes: b0444f18e0b1 ("[media] coda: add i.MX6 VDOA driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
---
 drivers/media/platform/coda/imx-vdoa.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/media/platform/coda/imx-vdoa.c b/drivers/media/platform/coda/imx-vdoa.c
index 8bc0d8371819..dd6e2e320264 100644
--- a/drivers/media/platform/coda/imx-vdoa.c
+++ b/drivers/media/platform/coda/imx-vdoa.c
@@ -287,7 +287,11 @@  static int vdoa_probe(struct platform_device *pdev)
 	struct resource *res;
 	int ret;
 
-	dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
+	ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
+	if (ret) {
+		dev_err(&pdev->dev, "DMA enable failed\n");
+		return ret;
+	}
 
 	vdoa = devm_kzalloc(&pdev->dev, sizeof(*vdoa), GFP_KERNEL);
 	if (!vdoa)