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serial: 8250: omap: Fix freeing of resources on failed register
[ Upstream commitb9ab22c2bc
] If serial8250_register_8250_port() fails, the SoC can hang as the deferred PMQoS work will still run as is not flushed and removed. Fixes:61929cf016
("tty: serial: Add 8250-core based omap driver") Signed-off-by: Tony Lindgren <tony@atomide.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20230508082014.23083-2-tony@atomide.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -1453,7 +1453,9 @@ static int omap8250_probe(struct platform_device *pdev)
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err:
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pm_runtime_dont_use_autosuspend(&pdev->dev);
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pm_runtime_put_sync(&pdev->dev);
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flush_work(&priv->qos_work);
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pm_runtime_disable(&pdev->dev);
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cpu_latency_qos_remove_request(&priv->pm_qos_request);
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return ret;
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}
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