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| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2021-12-06 05:22:01 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 13:03:37 +0300 |
| commit | e935a4dd37e450d3c545d24c434fb2db23926b2d (patch) | |
| tree | 3231f00b6a552fecb5d21c18fdd67c9a7327d409 /drivers/media/platform | |
| parent | f0fc76d6cc8085b7791b6d2231d7f3be860551a6 (diff) | |
| download | linux-e935a4dd37e450d3c545d24c434fb2db23926b2d.tar.xz | |
media: coda/imx-vdoa: Handle dma_set_coherent_mask error codes
[ Upstream commit 43f0633f89947df57fe0b5025bdd741768007708 ]
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: b0444f18e0b1 ("[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>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/coda/imx-vdoa.c | 6 |
1 files changed, 5 insertions, 1 deletions
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) |