add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mfd/mc13xxx-core.c
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@@ -1,13 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright 2009-2010 Pengutronix
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  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
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  *
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  * loosely based on an earlier driver that has
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  * Copyright 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
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- *
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- * This program is free software; you can redistribute it and/or modify it under
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- * the terms of the GNU General Public License version 2 as published by the
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- * Free Software Foundation.
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  */
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 #include <linux/module.h>
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@@ -326,8 +323,10 @@
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 		adc1 |= MC13783_ADC1_ATOX;
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 	dev_dbg(mc13xxx->dev, "%s: request irq\n", __func__);
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-	mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_ADCDONE,
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+	ret = mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_ADCDONE,
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 			mc13xxx_handler_adcdone, __func__, &adcdone_data);
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+	if (ret)
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+		goto out;
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 	mc13xxx_reg_write(mc13xxx, MC13XXX_ADC0, adc0);
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 	mc13xxx_reg_write(mc13xxx, MC13XXX_ADC1, adc1);