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Subject: media: coda/imx-vdoa: Handle dma_set_coherent_mask error codes Author: Jiasheng Jiang <[email protected]> Date: Mon Dec 6 03:22:01 2021 +0100 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/[email protected] Fixes: b0444f18e0b1 ("[media] coda: add i.MX6 VDOA driver") Signed-off-by: Jiasheng Jiang <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> 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 6996d4571e36..00643f37b3e6 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) _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
