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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

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Pull hwmon fixes from Guenter Roeck:
 "Two minor fixes in emc2103 and applesmc drivers."

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (emc2103) Fix use of an uninitilized variable in error case
  hwmon: (applesmc) Limit key length in warning messages
This commit is contained in:
Linus Torvalds
2012-06-21 13:40:40 -07:00
parent 7940b2adb4 2355375efd
commit 7b8377862b
2 changed files with 10 additions and 6 deletions
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4
drivers/hwmon/applesmc.c
View File

@@ -215,7 +215,7 @@ static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len)
int i;
if (send_command(cmd) || send_argument(key)) {
pr_warn("%s: read arg fail\n", key);
pr_warn("%.4s: read arg fail\n", key);
return -EIO;
}
@@ -223,7 +223,7 @@ static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len)
for (i = 0; i < len; i++) {
if (__wait_status(0x05)) {
pr_warn("%s: read data fail\n", key);
pr_warn("%.4s: read data fail\n", key);
return -EIO;
}
buffer[i] = inb(APPLESMC_DATA_PORT);

12
drivers/hwmon/emc2103.c
View File

@@ -451,11 +451,15 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *da,
data->fan_rpm_control = true;
break;
default:
mutex_unlock(&data->update_lock);
return -EINVAL;
count = -EINVAL;
goto err;
}
read_u8_from_i2c(client, REG_FAN_CONF1, &conf_reg);
result = read_u8_from_i2c(client, REG_FAN_CONF1, &conf_reg);
if (result) {
count = result;
goto err;
}
if (data->fan_rpm_control)
conf_reg |= 0x80;
@@ -463,7 +467,7 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *da,
conf_reg &= ~0x80;
i2c_smbus_write_byte_data(client, REG_FAN_CONF1, conf_reg);
err:
mutex_unlock(&data->update_lock);
return count;
}