usb: host: fsl-mph-dr-of: check return of dma_set_mask()
commit3cd54a6188
upstream. fsl_usb2_device_register() should stop init if dma_set_mask() return error. Fixes:cae0586104
("drivers/usb/host: fsl: Set DMA_MASK of usb platform device") Reviewed-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Ran Wang <ran.wang_1@nxp.com> Link: https://lore.kernel.org/r/20201010060308.33693-1-ran.wang_1@nxp.com Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -94,10 +94,13 @@ static struct platform_device *fsl_usb2_device_register(
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pdev->dev.coherent_dma_mask = ofdev->dev.coherent_dma_mask;
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if (!pdev->dev.dma_mask)
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if (!pdev->dev.dma_mask) {
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pdev->dev.dma_mask = &ofdev->dev.coherent_dma_mask;
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else
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dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
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} else {
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retval = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
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if (retval)
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goto error;
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}
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retval = platform_device_add_data(pdev, pdata, sizeof(*pdata));
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if (retval)
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