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staging: drm/imx: fix return value check in ipu_add_subdevice_pdata()
In case of error, the function platform_device_register_data() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 1 additions and 1 deletions
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@ -1006,7 +1006,7 @@ static int ipu_add_subdevice_pdata(struct device *dev,
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pdev = platform_device_register_data(dev, reg->name, ipu_client_id++,
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®->pdata, sizeof(struct ipu_platform_reg));
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return pdev ? 0 : -EINVAL;
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return PTR_ERR_OR_ZERO(pdev);
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}
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static int ipu_add_client_devices(struct ipu_soc *ipu)
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