rtc: ds1343: check regmap_read return value (ce0fd9db) · Commits · 戴 / test

drivers/rtc/rtc-ds1343.c

+8 −3

Original line number	Diff line number	Diff line
		@@ -92,8 +92,11 @@ static ssize_t ds1343_show_glitchfilter(struct device *dev,
		{
		struct ds1343_priv *priv = dev_get_drvdata(dev->parent);
		int glitch_filt_status, data;
		int res;

		regmap_read(priv->map, DS1343_CONTROL_REG, &data);
		res = regmap_read(priv->map, DS1343_CONTROL_REG, &data);
		if (res)
		return res;

		glitch_filt_status = !!(data & DS1343_EGFIL);

		@@ -147,10 +150,12 @@ static ssize_t ds1343_show_tricklecharger(struct device *dev,
		struct device_attribute attr, char buf)
		{
		struct ds1343_priv *priv = dev_get_drvdata(dev->parent);
		int data;
		int res, data;
		char diodes = "disabled", resistors = " ";

		regmap_read(priv->map, DS1343_TRICKLE_REG, &data);
		res = regmap_read(priv->map, DS1343_TRICKLE_REG, &data);
		if (res)
		return res;

		if ((data & 0xf0) == DS1343_TRICKLE_MAGIC) {
		switch (data & 0x0c) {