Fixed: ERROR: do not use assignment in if condition ERROR: switch and case should be at the same indent ERROR: trailing statements should be on next line WARNING: braces {} are not necessary for single statement blocks WARNING: simple_strtol is obsolete, use kstrtol instead Not fixed (false positive): ERROR: Macros with complex values should be enclosed in parenthesis Not all fixed (code complexity): ERROR: do not use assignment in if condition Cc: Juerg Haefliger <juergh@xxxxxxxxx> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- drivers/hwmon/vt1211.c | 126 ++++++++++++++++++++++++++++++------------------ 1 files changed, 79 insertions(+), 47 deletions(-) diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c index 49163d4..7ca0ebe 100644 --- a/drivers/hwmon/vt1211.c +++ b/drivers/hwmon/vt1211.c @@ -377,7 +377,12 @@ static ssize_t set_in(struct device *dev, struct device_attribute *attr, to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; - long val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); switch (fn) { @@ -446,7 +451,12 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr, to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; - long val = simple_strtol(buf, NULL, 10); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); switch (fn) { @@ -517,8 +527,13 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr, to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; - long val = simple_strtol(buf, NULL, 10); int reg; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); @@ -536,16 +551,23 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr, break; case SHOW_SET_FAN_DIV: switch (val) { - case 1: data->fan_div[ix] = 0; break; - case 2: data->fan_div[ix] = 1; break; - case 4: data->fan_div[ix] = 2; break; - case 8: data->fan_div[ix] = 3; break; - default: - count = -EINVAL; - dev_warn(dev, "fan div value %ld not " - "supported. Choose one of 1, 2, " - "4, or 8.\n", val); - goto EXIT; + case 1: + data->fan_div[ix] = 0; + break; + case 2: + data->fan_div[ix] = 1; + break; + case 4: + data->fan_div[ix] = 2; + break; + case 8: + data->fan_div[ix] = 3; + break; + default: + count = -EINVAL; + dev_warn(dev, "fan div value %ld not supported. " + "Choose one of 1, 2, 4, or 8.\n", val); + goto EXIT; } vt1211_write8(data, VT1211_REG_FAN_DIV, ((data->fan_div[1] << 6) | @@ -610,8 +632,13 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; - long val = simple_strtol(buf, NULL, 10); int tmp, reg; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); @@ -630,9 +657,8 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, data->pwm_ctl[ix] &= 7; /* disable SmartGuardian if both PWM outputs are * disabled */ - if ((data->pwm_ctl[ix ^ 1] & 1) == 0) { + if ((data->pwm_ctl[ix ^ 1] & 1) == 0) data->fan_ctl &= 0xe; - } break; case 2: data->pwm_ctl[ix] |= 8; @@ -656,16 +682,15 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, val = 135000 / SENSORS_LIMIT(val, 135000 >> 7, 135000); /* calculate tmp = log2(val) */ tmp = 0; - for (val >>= 1; val > 0; val >>= 1) { + for (val >>= 1; val > 0; val >>= 1) tmp++; - } /* sync the data cache */ reg = vt1211_read8(data, VT1211_REG_PWM_CLK); data->pwm_clk = (reg & 0xf8) | tmp; vt1211_write8(data, VT1211_REG_PWM_CLK, data->pwm_clk); break; case SHOW_SET_PWM_AUTO_CHANNELS_TEMP: - if ((val < 1) || (val > 7)) { + if (val < 1 || val > 7) { count = -EINVAL; dev_warn(dev, "temp channel %ld not supported. " "Choose a value between 1 and 7.\n", val); @@ -741,8 +766,14 @@ static ssize_t set_pwm_auto_point_temp(struct device *dev, to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int ap = sensor_attr_2->nr; - long val = simple_strtol(buf, NULL, 10); int reg; + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; + mutex_lock(&data->update_lock); @@ -798,16 +829,15 @@ static ssize_t set_pwm_auto_point_pwm(struct device *dev, to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int ap = sensor_attr_2->nr; - long val = simple_strtol(buf, NULL, 10); + unsigned long val; + int err; - if ((val < 0) || (val > 255)) { - dev_err(dev, "pwm value %ld is out of range. " - "Choose a value between 0 and 255.\n" , val); - return -EINVAL; - } + err = kstrtoul(buf, 10, &val); + if (err) + return err; mutex_lock(&data->update_lock); - data->pwm_auto_pwm[ix][ap] = val; + data->pwm_auto_pwm[ix][ap] = SENSORS_LIMIT(val, 0, 255); vt1211_write8(data, VT1211_REG_PWM_AUTO_PWM(ix, ap), data->pwm_auto_pwm[ix][ap]); mutex_unlock(&data->update_lock); @@ -831,9 +861,14 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct vt1211_data *data = dev_get_drvdata(dev); - long val = simple_strtol(buf, NULL, 10); + unsigned long val; + int err; - data->vrm = val; + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + data->vrm = SENSORS_LIMIT(val, 0, 255); return count; } @@ -1119,9 +1154,8 @@ static void vt1211_remove_sysfs(struct platform_device *pdev) device_remove_file(dev, &vt1211_sysfs_fan_pwm[i].dev_attr); } - for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) { + for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) device_remove_file(dev, &vt1211_sysfs_misc[i]); - } } static int __devinit vt1211_probe(struct platform_device *pdev) @@ -1131,7 +1165,8 @@ static int __devinit vt1211_probe(struct platform_device *pdev) struct resource *res; int i, err; - if (!(data = kzalloc(sizeof(struct vt1211_data), GFP_KERNEL))) { + data = kzalloc(sizeof(struct vt1211_data), GFP_KERNEL); + if (!data) { err = -ENOMEM; dev_err(dev, "Out of memory\n"); goto EXIT; @@ -1185,16 +1220,14 @@ static int __devinit vt1211_probe(struct platform_device *pdev) for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_fan_pwm); i++) { err = device_create_file(dev, &vt1211_sysfs_fan_pwm[i].dev_attr); - if (err) { + if (err) goto EXIT_DEV_REMOVE; - } } for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) { err = device_create_file(dev, &vt1211_sysfs_misc[i]); - if (err) { + if (err) goto EXIT_DEV_REMOVE; - } } /* Register device */ @@ -1293,9 +1326,8 @@ static int __init vt1211_find(int sio_cip, unsigned short *address) superio_enter(sio_cip); devid = force_id ? force_id : superio_inb(sio_cip, SIO_VT1211_DEVID); - if (devid != SIO_VT1211_ID) { + if (devid != SIO_VT1211_ID) goto EXIT; - } superio_select(sio_cip, SIO_VT1211_LDN_HWMON); @@ -1325,35 +1357,35 @@ static int __init vt1211_init(void) int err; unsigned short address = 0; - if ((err = vt1211_find(SIO_REG_CIP1, &address)) && - (err = vt1211_find(SIO_REG_CIP2, &address))) { - goto EXIT; + err = vt1211_find(SIO_REG_CIP1, &address); + if (err) { + err = vt1211_find(SIO_REG_CIP2, &address); + if (err) + goto EXIT; } if ((uch_config < -1) || (uch_config > 31)) { err = -EINVAL; pr_warn("Invalid UCH configuration %d. " "Choose a value between 0 and 31.\n", uch_config); - goto EXIT; + goto EXIT; } if ((int_mode < -1) || (int_mode > 0)) { err = -EINVAL; pr_warn("Invalid interrupt mode %d. " "Only mode 0 is supported.\n", int_mode); - goto EXIT; + goto EXIT; } err = platform_driver_register(&vt1211_driver); - if (err) { + if (err) goto EXIT; - } /* Sets global pdev as a side effect */ err = vt1211_device_add(address); - if (err) { + if (err) goto EXIT_DRV_UNREGISTER; - } return 0; -- 1.7.5.4 _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors