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@xxxxxxxxxxx>
---
drivers/media/platform/coda/imx-vdoa.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
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)
--
2.25.1
