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usb: dwc3-qcom: Convert to platform remove callback returning void
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Eventually after all drivers are converted, .remove_new() is renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Link: https://lore.kernel.org/r/20230517230239.187727-21-u.kleine-koenig@pengutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 2 additions and 4 deletions
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@ -938,7 +938,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
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return ret;
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}
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static int dwc3_qcom_remove(struct platform_device *pdev)
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static void dwc3_qcom_remove(struct platform_device *pdev)
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{
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struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
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struct device *dev = &pdev->dev;
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@ -958,8 +958,6 @@ static int dwc3_qcom_remove(struct platform_device *pdev)
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pm_runtime_allow(dev);
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pm_runtime_disable(dev);
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return 0;
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}
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static int __maybe_unused dwc3_qcom_pm_suspend(struct device *dev)
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@ -1052,7 +1050,7 @@ MODULE_DEVICE_TABLE(acpi, dwc3_qcom_acpi_match);
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static struct platform_driver dwc3_qcom_driver = {
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.probe = dwc3_qcom_probe,
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.remove = dwc3_qcom_remove,
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.remove_new = dwc3_qcom_remove,
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.driver = {
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.name = "dwc3-qcom",
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.pm = &dwc3_qcom_dev_pm_ops,
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