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path: root/drivers/hwmon/max1619.c
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Diffstat (limited to 'drivers/hwmon/max1619.c')
-rw-r--r--drivers/hwmon/max1619.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 135822e05c4d..ecac04a7b7d6 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -125,7 +125,7 @@ struct max1619_data {
u8 temp_input2, temp_low2, temp_high2; /* remote */
u8 temp_crit2;
u8 temp_hyst2;
- u8 alarms;
+ u8 alarms;
};
/*
@@ -133,7 +133,8 @@ struct max1619_data {
*/
#define show_temp(value) \
-static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_##value(struct device *dev, struct device_attribute *attr, \
+ char *buf) \
{ \
struct max1619_data *data = max1619_update_device(dev); \
return sprintf(buf, "%d\n", temp_from_reg(data->value)); \
@@ -146,13 +147,17 @@ show_temp(temp_crit2);
show_temp(temp_hyst2);
#define set_temp2(value, reg) \
-static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, \
+static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \
+ const char *buf, \
size_t count) \
{ \
struct i2c_client *client = to_i2c_client(dev); \
struct max1619_data *data = i2c_get_clientdata(client); \
- long val = simple_strtol(buf, NULL, 10); \
- \
+ long val; \
+ int err = kstrtol(buf, 10, &val); \
+ if (err) \
+ return err; \
+\
mutex_lock(&data->update_lock); \
data->value = temp_to_reg(val); \
i2c_smbus_write_byte_data(client, reg, data->value); \
@@ -165,7 +170,8 @@ set_temp2(temp_high2, MAX1619_REG_W_REMOTE_HIGH);
set_temp2(temp_crit2, MAX1619_REG_W_REMOTE_CRIT);
set_temp2(temp_hyst2, MAX1619_REG_W_TCRIT_HYST);
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct max1619_data *data = max1619_update_device(dev);
return sprintf(buf, "%d\n", data->alarms);
@@ -275,7 +281,8 @@ static int max1619_probe(struct i2c_client *new_client,
max1619_init_client(new_client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&new_client->dev.kobj, &max1619_group)))
+ err = sysfs_create_group(&new_client->dev.kobj, &max1619_group);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&new_client->dev);