Merge "rtc: qpnp-rtc: Add NULL pointer checks"

/* Copyright (c) 2012-13, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

	u8 reg;

	int rc;

	unsigned long irq_flags;

	struct qpnp_rtc *rtc_dd = dev_get_drvdata(&spmi->dev);

	bool rtc_alarm_powerup = rtc_dd->rtc_alarm_powerup;

	struct qpnp_rtc *rtc_dd;

	bool rtc_alarm_powerup;

	if (!spmi) {

		pr_err("qpnp-rtc: spmi device not found\n");

		return;

	}

	rtc_dd = dev_get_drvdata(&spmi->dev);

	if (!rtc_dd) {

		pr_err("qpnp-rtc: rtc driver data not found\n");

		return;

	}

	rtc_alarm_powerup = rtc_dd->rtc_alarm_powerup;

	if (!rtc_alarm_powerup && !poweron_alarm) {

		spin_lock_irqsave(&rtc_dd->alarm_ctrl_lock, irq_flags);

		dev_dbg(&spmi->dev, "Disabling alarm interrupts\n");