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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-06-21 22:40:40 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-06-21 22:40:40 +0200 |
| commit | 7b8377862bd816a5e8ceb5c713d88bf82555c8d4 (patch) | |
| tree | a22e9d373ec5d85343094320acbdcbe238b534da | |
| parent | Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma (diff) | |
| parent | hwmon: (emc2103) Fix use of an uninitilized variable in error case (diff) | |
| download | linux-7b8377862bd816a5e8ceb5c713d88bf82555c8d4.tar.xz linux-7b8377862bd816a5e8ceb5c713d88bf82555c8d4.zip | |
Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
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
| -rw-r--r-- | drivers/hwmon/applesmc.c | 4 | ||||
| -rw-r--r-- | drivers/hwmon/emc2103.c | 12 |
2 files changed, 10 insertions, 6 deletions
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index f082e48ab113..70d62f5bc909 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -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); diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c index 9691f664c76e..e7d234b59312 100644 --- a/drivers/hwmon/emc2103.c +++ b/drivers/hwmon/emc2103.c @@ -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; } |