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

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[ Upstream commit 43f0633f89 ]

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.

Link: https://lore.kernel.org/linux-media/20211206022201.1639460-1-jiasheng@iscas.ac.cn
Fixes: b0444f18e0 ("[media] coda: add i.MX6 VDOA driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2021-12-06 03:22:01 +01:00 committed by Greg Kroah-Hartman
parent 1a8869de32
commit f6e4a6cbdb
1 changed files with 5 additions and 1 deletions
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6
drivers/media/platform/coda/imx-vdoa.c
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@ -287,7 +287,11 @@ static int vdoa_probe(struct platform_device *pdev)
struct resource *res; struct resource *res;
int ret; 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); vdoa = devm_kzalloc(&pdev->dev, sizeof(*vdoa), GFP_KERNEL);
if (!vdoa) if (!vdoa)