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media: platform: via: Handle error for dma_set_mask
As the potential failure of the dma_set_mask(), we fix this bug by checking its return value and performing proper error handling. Signed-off-by: harperchen <harperchen1110@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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1 changed files with 3 additions and 1 deletions
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@ -1208,7 +1208,9 @@ static int viacam_probe(struct platform_device *pdev)
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* Convince the system that we can do DMA.
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* Convince the system that we can do DMA.
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*/
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*/
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pdev->dev.dma_mask = &viadev->pdev->dma_mask;
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pdev->dev.dma_mask = &viadev->pdev->dma_mask;
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dma_set_mask(&pdev->dev, 0xffffffff);
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ret = dma_set_mask(&pdev->dev, 0xffffffff);
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if (ret)
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goto out_ctrl_hdl_free;
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/*
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/*
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* Fire up the capture port. The write to 0x78 looks purely
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* Fire up the capture port. The write to 0x78 looks purely
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* OLPCish; any system will need to tweak 0x1e.
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* OLPCish; any system will need to tweak 0x1e.
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