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usb: cdns3: Fix runtime PM imbalance on error

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pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code. Thus a pairing decrement is needed on
the error handling path to keep the counter balanced.

Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
Dinghao Liu 2020-05-21 15:39:19 +08:00 committed by Felipe Balbi
parent eafa800416
commit e5b9134960
1 changed files with 1 additions and 2 deletions
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3
drivers/usb/cdns3/cdns3-ti.c
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@ -138,7 +138,7 @@ static int cdns_ti_probe(struct platform_device *pdev)
error = pm_runtime_get_sync(dev);
if (error < 0) {
dev_err(dev, "pm_runtime_get_sync failed: %d\n", error);
goto err_get;
goto err;
}
/* assert RESET */
@ -185,7 +185,6 @@ static int cdns_ti_probe(struct platform_device *pdev)
err:
pm_runtime_put_sync(data->dev);
err_get:
pm_runtime_disable(data->dev);
return error;