extcon: adc-jack: Cleanup wakeup source only if it was enabled

Driver in the probe enables wakeup source conditionally, so the cleanup
path should do the same - do not release the wakeup source memory if it
was not allocated.

Link: https://lore.kernel.org/lkml/[email protected]/
Reported-by: Christophe JAILLET <[email protected]>
Closes: https://lore.kernel.org/r/[email protected]/
Fixes: 78b6a99 ("extcon: adc-jack: Fix wakeup source leaks on device unbind")
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Chanwoo Choi <[email protected]>

Author: krzk

drivers/extcon/extcon-adc-jack.c

@@ -164,7 +164,8 @@ static void adc_jack_remove(struct platform_device *pdev)
 {
 	struct adc_jack_data *data = platform_get_drvdata(pdev);
 
-	device_init_wakeup(&pdev->dev, false);
+	if (data->wakeup_source)
+		device_init_wakeup(&pdev->dev, false);
 	free_irq(data->irq, data);
 	cancel_work_sync(&data->handler.work);
 }