diff options
Diffstat (limited to 'drivers/rtc/rtc-ds1343.c')
| -rw-r--r-- | drivers/rtc/rtc-ds1343.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-ds1343.c b/drivers/rtc/rtc-ds1343.c index 28f9463322d0..42c785cae94e 100644 --- a/drivers/rtc/rtc-ds1343.c +++ b/drivers/rtc/rtc-ds1343.c @@ -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) { |