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i2c: Remove all i2c_set_clientdata(client, NULL) in drivers

Browse Source 
I2C drivers can use the clientdata-pointer to point to private data. As I2C
devices are not really unregistered, but merely detached from their driver, it
used to be the drivers obligation to clear this pointer during remove() or a
failed probe(). As a couple of drivers forgot to do this, it was agreed that it
was cleaner if the i2c-core does this clearance when appropriate, as there is
no guarantee for the lifetime of the clientdata-pointer after remove() anyhow.
This feature was added to the core with commit
e4a7b9b04d to fix the faulty drivers.

As there is no need anymore to clear the clientdata-pointer, remove all current
occurrences in the drivers to simplify the code and prevent confusion.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Richard Purdie <rpurdie@linux.intel.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Wolfram Sang 2010-06-03 11:33:58 +02:00 committed by Jean Delvare
parent 35bfc353dc
commit fbae3fb154
75 changed files with 4 additions and 141 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/hwmon/adt7411.c
View File

@ -316,7 +316,6 @@ static int __devinit adt7411_probe(struct i2c_client *client,
exit_remove:
sysfs_remove_group(&client->dev.kobj, &adt7411_attr_grp);
exit_free:
i2c_set_clientdata(client, NULL);
kfree(data);
return ret;
}
@ -327,7 +326,6 @@ static int __devexit adt7411_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &adt7411_attr_grp);
i2c_set_clientdata(client, NULL);
kfree(data);
return 0;
}

2
drivers/hwmon/asc7621.c
View File

@ -1141,7 +1141,6 @@ exit_remove:
&(asc7621_params[i].sda.dev_attr));
}
i2c_set_clientdata(client, NULL);
kfree(data);
return err;
}
@ -1196,7 +1195,6 @@ static int asc7621_remove(struct i2c_client *client)
&(asc7621_params[i].sda.dev_attr));
}
i2c_set_clientdata(client, NULL);
kfree(data);
return 0;
}

2
drivers/hwmon/f75375s.c
View File

@ -662,7 +662,6 @@ exit_remove:
sysfs_remove_group(&client->dev.kobj, &f75375_group);
exit_free:
kfree(data);
i2c_set_clientdata(client, NULL);
return err;
}
@ -672,7 +671,6 @@ static int f75375_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &f75375_group);
kfree(data);
i2c_set_clientdata(client, NULL);
return 0;
}

2
drivers/hwmon/g760a.c
View File

@ -236,7 +236,6 @@ error_hwmon_device_register:
sysfs_remove_group(&client->dev.kobj, &g760a_group);
error_sysfs_create_group:
kfree(data);
i2c_set_clientdata(client, NULL);
return err;
}
@ -247,7 +246,6 @@ static int g760a_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &g760a_group);
kfree(data);
i2c_set_clientdata(client, NULL);
return 0;
}

1
drivers/hwmon/lm73.c
View File

@ -136,7 +136,6 @@ static int lm73_remove(struct i2c_client *client)
hwmon_device_unregister(hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &lm73_group);
i2c_set_clientdata(client, NULL);
return 0;
}

2
drivers/hwmon/lm75.c
View File

@ -192,7 +192,6 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
exit_remove:
sysfs_remove_group(&client->dev.kobj, &lm75_group);
exit_free:
i2c_set_clientdata(client, NULL);
kfree(data);
return status;
}
@ -204,7 +203,6 @@ static int lm75_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &lm75_group);
lm75_write_value(client, LM75_REG_CONF, data->orig_conf);
i2c_set_clientdata(client, NULL);
kfree(data);
return 0;
}

1
drivers/hwmon/lm95241.c
View File

@ -399,7 +399,6 @@ static int lm95241_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &lm95241_group);
i2c_set_clientdata(client, NULL);
kfree(data);
return 0;
}

2
drivers/hwmon/tmp102.c
View File

@ -224,7 +224,6 @@ fail_remove_sysfs:
fail_restore_config:
tmp102_write_reg(client, TMP102_CONF_REG, tmp102->config_orig);
fail_free:
i2c_set_clientdata(client, NULL);
kfree(tmp102);
return status;
@ -247,7 +246,6 @@ static int __devexit tmp102_remove(struct i2c_client *client)
config | TMP102_CONF_SD);
}
i2c_set_clientdata(client, NULL);
kfree(tmp102);
return 0;

2
drivers/hwmon/tmp421.c
View File

@ -295,7 +295,6 @@ exit_remove:
sysfs_remove_group(&client->dev.kobj, &tmp421_group);
exit_free:
i2c_set_clientdata(client, NULL);
kfree(data);
return err;
@ -308,7 +307,6 @@ static int tmp421_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &tmp421_group);
i2c_set_clientdata(client, NULL);
kfree(data);
return 0;

2
drivers/hwmon/w83781d.c
View File

@ -1197,7 +1197,6 @@ ERROR4:
if (data->lm75[1])
i2c_unregister_device(data->lm75[1]);
ERROR3:
i2c_set_clientdata(client, NULL);
kfree(data);
ERROR1:
return err;
@ -1219,7 +1218,6 @@ w83781d_remove(struct i2c_client *client)
if (data->lm75[1])
i2c_unregister_device(data->lm75[1]);
i2c_set_clientdata(client, NULL);
kfree(data);
return 0;

1
drivers/i2c/i2c-smbus.c
View File

@ -173,7 +173,6 @@ static int smbalert_remove(struct i2c_client *ara)
cancel_work_sync(&alert->alert);
i2c_set_clientdata(ara, NULL);
kfree(alert);
return 0;
}

1
drivers/input/keyboard/adp5588-keys.c
View File

@ -287,7 +287,6 @@ static int __devexit adp5588_remove(struct i2c_client *client)
free_irq(client->irq, kpad);
cancel_delayed_work_sync(&kpad->work);
input_unregister_device(kpad->input);
i2c_set_clientdata(client, NULL);
kfree(kpad);
return 0;

2
drivers/input/keyboard/lm8323.c
View File

@ -778,8 +778,6 @@ static int __devexit lm8323_remove(struct i2c_client *client)
struct lm8323_chip *lm = i2c_get_clientdata(client);
int i;
i2c_set_clientdata(client, NULL);
disable_irq_wake(client->irq);
free_irq(client->irq, lm);
cancel_work_sync(&lm->work);

1
drivers/input/keyboard/max7359_keypad.c
View File

@ -265,7 +265,6 @@ static int __devexit max7359_remove(struct i2c_client *client)
free_irq(client->irq, keypad);
input_unregister_device(keypad->input_dev);
i2c_set_clientdata(client, NULL);
kfree(keypad);
return 0;

1
drivers/input/keyboard/qt2160.c
View File

@ -358,7 +358,6 @@ static int __devexit qt2160_remove(struct i2c_client *client)
input_unregister_device(qt2160->input);
kfree(qt2160);
i2c_set_clientdata(client, NULL);
return 0;
}

2
drivers/input/keyboard/tca6416-keypad.c
View File

@ -316,8 +316,6 @@ static int __devexit tca6416_keypad_remove(struct i2c_client *client)
input_unregister_device(chip->input);
kfree(chip);
i2c_set_clientdata(client, NULL);
return 0;
}

1
drivers/input/misc/ad714x-i2c.c
View File

@ -97,7 +97,6 @@ static int __devexit ad714x_i2c_remove(struct i2c_client *client)
struct ad714x_chip *chip = i2c_get_clientdata(client);
ad714x_remove(chip);
i2c_set_clientdata(client, NULL);
return 0;
}

2
drivers/input/misc/pcf8574_keypad.c
View File

@ -168,8 +168,6 @@ static int __devexit pcf8574_kp_remove(struct i2c_client *client)
input_unregister_device(lp->idev);
kfree(lp);
i2c_set_clientdata(client, NULL);
return 0;
}

1
drivers/input/mouse/synaptics_i2c.c
View File

@ -613,7 +613,6 @@ static int __devexit synaptics_i2c_remove(struct i2c_client *client)
free_irq(client->irq, touch);
input_unregister_device(touch->input);
i2c_set_clientdata(client, NULL);
kfree(touch);
return 0;

5
drivers/input/touchscreen/ad7879.c
View File

@ -812,10 +812,8 @@ static int __devinit ad7879_probe(struct i2c_client *client,
ts->bus = client;
error = ad7879_construct(client, ts);
if (error) {
i2c_set_clientdata(client, NULL);
if (error)
kfree(ts);
}
return error;
}
@ -825,7 +823,6 @@ static int __devexit ad7879_remove(struct i2c_client *client)
struct ad7879 *ts = dev_get_drvdata(&client->dev);
ad7879_destroy(client, ts);
i2c_set_clientdata(client, NULL);
kfree(ts);
return 0;

2
drivers/input/touchscreen/eeti_ts.c
View File

@ -238,7 +238,6 @@ err2:
input = NULL; /* so we dont try to free it below */
err1:
input_free_device(input);
i2c_set_clientdata(client, NULL);
kfree(priv);
err0:
return err;
@ -256,7 +255,6 @@ static int __devexit eeti_ts_remove(struct i2c_client *client)
enable_irq(priv->irq);
input_unregister_device(priv->input);
i2c_set_clientdata(client, NULL);
kfree(priv);
return 0;

1
drivers/input/touchscreen/mcs5000_ts.c
View File

@ -256,7 +256,6 @@ static int __devexit mcs5000_ts_remove(struct i2c_client *client)
free_irq(client->irq, data);
input_unregister_device(data->input_dev);
kfree(data);
i2c_set_clientdata(client, NULL);
return 0;
}

2
drivers/input/touchscreen/tsc2007.c
View File

@ -347,8 +347,6 @@ static int __devexit tsc2007_remove(struct i2c_client *client)
struct tsc2007 *ts = i2c_get_clientdata(client);
struct tsc2007_platform_data *pdata = client->dev.platform_data;
i2c_set_clientdata(client, NULL);
tsc2007_free_irq(ts);
if (pdata->exit_platform_hw)

2
drivers/leds/leds-bd2802.c
View File

@ -742,7 +742,6 @@ failed_unregister_dev_file:
for (i--; i >= 0; i--)
device_remove_file(&led->client->dev, bd2802_attributes[i]);
failed_free:
i2c_set_clientdata(client, NULL);
kfree(led);
return ret;
@ -759,7 +758,6 @@ static int __exit bd2802_remove(struct i2c_client *client)
bd2802_disable_adv_conf(led);
for (i = 0; i < ARRAY_SIZE(bd2802_attributes); i++)
device_remove_file(&led->client->dev, bd2802_attributes[i]);
i2c_set_clientdata(client, NULL);
kfree(led);
return 0;

1
drivers/leds/leds-lp3944.c
View File

@ -432,7 +432,6 @@ static int __devexit lp3944_remove(struct i2c_client *client)
}
kfree(data);
i2c_set_clientdata(client, NULL);
return 0;
}

5
drivers/leds/leds-pca9532.c
View File

@ -320,10 +320,8 @@ static int pca9532_probe(struct i2c_client *client,
mutex_init(&data->update_lock);
err = pca9532_configure(client, data, pca9532_pdata);
if (err) {
if (err)
kfree(data);
i2c_set_clientdata(client, NULL);
}
return err;
}
@ -351,7 +349,6 @@ static int pca9532_remove(struct i2c_client *client)
}
kfree(data);
i2c_set_clientdata(client, NULL);
return 0;
}

2
drivers/leds/leds-pca955x.c
View File

@ -342,7 +342,6 @@ exit:
}
kfree(pca955x);
i2c_set_clientdata(client, NULL);
return err;
}
@ -358,7 +357,6 @@ static int __devexit pca955x_remove(struct i2c_client *client)
}
kfree(pca955x);
i2c_set_clientdata(client, NULL);
return 0;
}

2
drivers/macintosh/therm_adt746x.c
View File

@ -182,7 +182,6 @@ remove_thermostat(struct i2c_client *client)
thermostat = NULL;
i2c_set_clientdata(client, NULL);
kfree(th);
return 0;
@ -400,7 +399,6 @@ static int probe_thermostat(struct i2c_client *client,
rc = read_reg(th, CONFIG_REG);
if (rc < 0) {
dev_err(&client->dev, "Thermostat failed to read config!\n");
i2c_set_clientdata(client, NULL);
kfree(th);
return -ENODEV;
}

5
drivers/macintosh/windfarm_lm75_sensor.c
View File

@ -107,10 +107,8 @@ static int wf_lm75_probe(struct i2c_client *client,
i2c_set_clientdata(client, lm);
rc = wf_register_sensor(&lm->sens);
if (rc) {
i2c_set_clientdata(client, NULL);
if (rc)
kfree(lm);
}
return rc;
}
@ -216,7 +214,6 @@ static int wf_lm75_remove(struct i2c_client *client)
/* release sensor */
wf_unregister_sensor(&lm->sens);
i2c_set_clientdata(client, NULL);
return 0;
}

1
drivers/macintosh/windfarm_max6690_sensor.c
View File

@ -81,7 +81,6 @@ static int wf_max6690_probe(struct i2c_client *client,
rc = wf_register_sensor(&max->sens);
if (rc) {
i2c_set_clientdata(client, NULL);
kfree(max);
}

1
drivers/macintosh/windfarm_smu_sat.c
View File

@ -376,7 +376,6 @@ static int wf_sat_remove(struct i2c_client *client)
/* XXX TODO */
sat->i2c = NULL;
i2c_set_clientdata(client, NULL);
return 0;
}

1
drivers/media/radio/si470x/radio-si470x-i2c.c
View File

@ -482,7 +482,6 @@ static __devexit int si470x_i2c_remove(struct i2c_client *client)
cancel_work_sync(&radio->radio_work);
video_unregister_device(radio->videodev);
kfree(radio);
i2c_set_clientdata(client, NULL);
return 0;
}

2
drivers/media/video/mt9m001.c
View File

@ -785,7 +785,6 @@ static int mt9m001_probe(struct i2c_client *client,
ret = mt9m001_video_probe(icd, client);
if (ret) {
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(mt9m001);
}
@ -799,7 +798,6 @@ static int mt9m001_remove(struct i2c_client *client)
icd->ops = NULL;
mt9m001_video_remove(icd);
i2c_set_clientdata(client, NULL);
client->driver = NULL;
kfree(mt9m001);

2
drivers/media/video/mt9m111.c
View File

@ -1068,7 +1068,6 @@ static int mt9m111_probe(struct i2c_client *client,
ret = mt9m111_video_probe(icd, client);
if (ret) {
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(mt9m111);
}
@ -1081,7 +1080,6 @@ static int mt9m111_remove(struct i2c_client *client)
struct soc_camera_device *icd = client->dev.platform_data;
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
client->driver = NULL;
kfree(mt9m111);

2
drivers/media/video/mt9t031.c
View File

@ -883,7 +883,6 @@ static int mt9t031_probe(struct i2c_client *client,
if (ret) {
if (icd)
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(mt9t031);
}
@ -897,7 +896,6 @@ static int mt9t031_remove(struct i2c_client *client)
if (icd)
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
client->driver = NULL;
kfree(mt9t031);

2
drivers/media/video/mt9t112.c
View File

@ -1119,7 +1119,6 @@ static int mt9t112_probe(struct i2c_client *client,
ret = mt9t112_camera_probe(icd, client);
if (ret) {
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(priv);
}
@ -1132,7 +1131,6 @@ static int mt9t112_remove(struct i2c_client *client)
struct soc_camera_device *icd = client->dev.platform_data;
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(priv);
return 0;
}

2
drivers/media/video/mt9v022.c
View File

@ -920,7 +920,6 @@ static int mt9v022_probe(struct i2c_client *client,
ret = mt9v022_video_probe(icd, client);
if (ret) {
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(mt9v022);
}
@ -934,7 +933,6 @@ static int mt9v022_remove(struct i2c_client *client)
icd->ops = NULL;
mt9v022_video_remove(icd);
i2c_set_clientdata(client, NULL);
client->driver = NULL;
kfree(mt9v022);

2
drivers/media/video/ov772x.c
View File

@ -1159,7 +1159,6 @@ static int ov772x_probe(struct i2c_client *client,
ret = ov772x_video_probe(icd, client);
if (ret) {
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(priv);
}
@ -1172,7 +1171,6 @@ static int ov772x_remove(struct i2c_client *client)
struct soc_camera_device *icd = client->dev.platform_data;
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(priv);
return 0;
}

2
drivers/media/video/ov9640.c
View File

@ -783,7 +783,6 @@ static int ov9640_probe(struct i2c_client *client,
if (ret) {
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(priv);
}
@ -794,7 +793,6 @@ static int ov9640_remove(struct i2c_client *client)
{
struct ov9640_priv *priv = i2c_get_clientdata(client);
i2c_set_clientdata(client, NULL);
kfree(priv);
return 0;
}

2
drivers/media/video/rj54n1cb0c.c
View File

@ -1444,7 +1444,6 @@ static int rj54n1_probe(struct i2c_client *client,
ret = rj54n1_video_probe(icd, client, rj54n1_priv);
if (ret < 0) {
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(rj54n1);
return ret;
}
@ -1461,7 +1460,6 @@ static int rj54n1_remove(struct i2c_client *client)
icd->ops = NULL;
if (icl->free_bus)
icl->free_bus(icl);
i2c_set_clientdata(client, NULL);
client->driver = NULL;
kfree(rj54n1);

8
drivers/media/video/tcm825x.c
View File

@ -850,7 +850,6 @@ static int tcm825x_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct tcm825x_sensor *sensor = &tcm825x;
int rval;
if (i2c_get_clientdata(client))
return -EBUSY;
@ -871,11 +870,7 @@ static int tcm825x_probe(struct i2c_client *client,
sensor->pix.height = tcm825x_sizes[QVGA].height;
sensor->pix.pixelformat = V4L2_PIX_FMT_RGB565;
rval = v4l2_int_device_register(sensor->v4l2_int_device);
if (rval)
i2c_set_clientdata(client, NULL);
return rval;
return v4l2_int_device_register(sensor->v4l2_int_device);
}
static int tcm825x_remove(struct i2c_client *client)
@ -886,7 +881,6 @@ static int tcm825x_remove(struct i2c_client *client)
return -ENODEV; /* our client isn't attached */
v4l2_int_device_unregister(sensor->v4l2_int_device);
i2c_set_clientdata(client, NULL);
return 0;
}

2
drivers/media/video/tw9910.c
View File

@ -977,7 +977,6 @@ static int tw9910_probe(struct i2c_client *client,
ret = tw9910_video_probe(icd, client);
if (ret) {
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(priv);
}
@ -990,7 +989,6 @@ static int tw9910_remove(struct i2c_client *client)
struct soc_camera_device *icd = client->dev.platform_data;
icd->ops = NULL;
i2c_set_clientdata(client, NULL);
kfree(priv);
return 0;
}

2
drivers/mfd/88pm860x-i2c.c
View File

@ -200,8 +200,6 @@ static int __devexit pm860x_remove(struct i2c_client *client)
pm860x_device_exit(chip);
i2c_unregister_device(chip->companion);
i2c_set_clientdata(chip->client, NULL);
i2c_set_clientdata(client, NULL);
kfree(chip);
return 0;
}

2
drivers/mfd/ab3100-core.c
View File

@ -957,7 +957,6 @@ static int __init ab3100_probe(struct i2c_client *client,
i2c_unregister_device(ab3100->testreg_client);
exit_no_testreg_client:
exit_no_detect:
i2c_set_clientdata(client, NULL);
kfree(ab3100);
return err;
}
@ -979,7 +978,6 @@ static int __exit ab3100_remove(struct i2c_client *client)
* their notifiers so deactivate IRQ
*/
free_irq(client->irq, ab3100);
i2c_set_clientdata(client, NULL);
kfree(ab3100);
return 0;
}

1
drivers/mfd/ab3550-core.c
View File

@ -1362,7 +1362,6 @@ static int __exit ab3550_remove(struct i2c_client *client)
* their notifiers so deactivate IRQ
*/
free_irq(client->irq, ab);
i2c_set_clientdata(client, NULL);
kfree(ab);
return 0;
}

2
drivers/mfd/adp5520.c
View File

@ -302,7 +302,6 @@ out_free_irq:
free_irq(chip->irq, chip);
out_free_chip:
i2c_set_clientdata(client, NULL);
kfree(chip);
return ret;
@ -317,7 +316,6 @@ static int __devexit adp5520_remove(struct i2c_client *client)
adp5520_remove_subdevs(chip);
adp5520_write(chip->dev, ADP5520_MODE_STATUS, 0);
i2c_set_clientdata(client, NULL);
kfree(chip);
return 0;
}

2
drivers/mfd/da903x.c
View File

@ -534,7 +534,6 @@ static int __devinit da903x_probe(struct i2c_client *client,
out_free_irq:
free_irq(client->irq, chip);
out_free_chip:
i2c_set_clientdata(client, NULL);
kfree(chip);
return ret;
}
@ -544,7 +543,6 @@ static int __devexit da903x_remove(struct i2c_client *client)
struct da903x_chip *chip = i2c_get_clientdata(client);
da903x_remove_subdevs(chip);
i2c_set_clientdata(client, NULL);
kfree(chip);
return 0;
}

1
drivers/mfd/max8925-i2c.c
View File

@ -173,7 +173,6 @@ static int __devexit max8925_remove(struct i2c_client *client)
max8925_device_exit(chip);
i2c_unregister_device(chip->adc);
i2c_unregister_device(chip->rtc);
i2c_set_clientdata(chip->i2c, NULL);
kfree(chip);
return 0;
}

2
drivers/mfd/menelaus.c
View File

@ -1228,7 +1228,6 @@ fail2:
free_irq(client->irq, menelaus);
flush_scheduled_work();
fail1:
i2c_set_clientdata(client, NULL);
kfree(menelaus);
return err;
}
@ -1238,7 +1237,6 @@ static int __exit menelaus_remove(struct i2c_client *client)
struct menelaus_chip *menelaus = i2c_get_clientdata(client);
free_irq(client->irq, menelaus);
i2c_set_clientdata(client, NULL);
kfree(menelaus);
the_menelaus = NULL;
return 0;

2
drivers/mfd/pcf50633-core.c
View File

@ -336,7 +336,6 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
return 0;
err_free:
i2c_set_clientdata(client, NULL);
kfree(pcf);
return ret;
@ -357,7 +356,6 @@ static int __devexit pcf50633_remove(struct i2c_client *client)
for (i = 0; i < PCF50633_NUM_REGULATORS; i++)
platform_device_unregister(pcf->regulator_pdev[i]);
i2c_set_clientdata(client, NULL);
kfree(pcf);
return 0;

2
drivers/mfd/tc35892.c
View File

@ -296,7 +296,6 @@ out_freeirq:
out_removeirq:
tc35892_irq_remove(tc35892);
out_free:
i2c_set_clientdata(i2c, NULL);
kfree(tc35892);
return ret;
}
@ -310,7 +309,6 @@ static int __devexit tc35892_remove(struct i2c_client *client)
free_irq(tc35892->i2c->irq, tc35892);
tc35892_irq_remove(tc35892);
i2c_set_clientdata(client, NULL);
kfree(tc35892);
return 0;

1
drivers/mfd/tps65010.c
View File

@ -530,7 +530,6 @@ static int __exit tps65010_remove(struct i2c_client *client)
cancel_delayed_work(&tps->work);
flush_scheduled_work();
debugfs_remove(tps->file);
i2c_set_clientdata(client, NULL);
kfree(tps);
the_tps = NULL;
return 0;

2
drivers/mfd/wm8350-i2c.c
View File

@ -80,7 +80,6 @@ static int wm8350_i2c_probe(struct i2c_client *i2c,
return ret;
err:
i2c_set_clientdata(i2c, NULL);
kfree(wm8350);
return ret;
}
@ -90,7 +89,6 @@ static int wm8350_i2c_remove(struct i2c_client *i2c)
struct wm8350 *wm8350 = i2c_get_clientdata(i2c);
wm8350_device_exit(wm8350);
i2c_set_clientdata(i2c, NULL);
kfree(wm8350);
return 0;

2
drivers/mfd/wm8400-core.c
View File

@ -415,7 +415,6 @@ static int wm8400_i2c_probe(struct i2c_client *i2c,
return 0;
struct_err:
i2c_set_clientdata(i2c, NULL);
kfree(wm8400);
err:
return ret;
@ -426,7 +425,6 @@ static int wm8400_i2c_remove(struct i2c_client *i2c)
struct wm8400 *wm8400 = i2c_get_clientdata(i2c);
wm8400_release(wm8400);
i2c_set_clientdata(i2c, NULL);
kfree(wm8400);
return 0;

1
drivers/misc/eeprom/at24.c
View File

@ -643,7 +643,6 @@ static int __devexit at24_remove(struct i2c_client *client)
kfree(at24->writebuf);
kfree(at24);
i2c_set_clientdata(client, NULL);
return 0;
}

2
drivers/mtd/maps/pismo.c
View File

@ -234,7 +234,6 @@ static int __devexit pismo_remove(struct i2c_client *client)
/* FIXME: set_vpp needs saner arguments */
pismo_setvpp_remove_fix(pismo);
i2c_set_clientdata(client, NULL);
kfree(pismo);
return 0;
@ -286,7 +285,6 @@ static int __devinit pismo_probe(struct i2c_client *client,
return 0;
exit_free:
i2c_set_clientdata(client, NULL);
kfree(pismo);
return ret;
}

2
drivers/power/max17040_battery.c
View File

@ -225,7 +225,6 @@ static int __devinit max17040_probe(struct i2c_client *client,
ret = power_supply_register(&client->dev, &chip->battery);
if (ret) {
dev_err(&client->dev, "failed: power supply register\n");
i2c_set_clientdata(client, NULL);
kfree(chip);
return ret;
}
@ -245,7 +244,6 @@ static int __devexit max17040_remove(struct i2c_client *client)
power_supply_unregister(&chip->battery);
cancel_delayed_work(&chip->work);
i2c_set_clientdata(client, NULL);
kfree(chip);
return 0;
}

2
drivers/regulator/lp3971.c
View File

@ -519,8 +519,6 @@ static int __devexit lp3971_i2c_remove(struct i2c_client *i2c)
struct lp3971 *lp3971 = i2c_get_clientdata(i2c);
int i;
i2c_set_clientdata(i2c, NULL);
for (i = 0; i < lp3971->num_regulators; i++)
regulator_unregister(lp3971->rdev[i]);

1
drivers/regulator/max1586.c
View File

@ -244,7 +244,6 @@ static int __devexit max1586_pmic_remove(struct i2c_client *client)
for (i = 0; i <= MAX1586_V6; i++)
if (rdev[i])
regulator_unregister(rdev[i]);
i2c_set_clientdata(client, NULL);
kfree(rdev);
return 0;

2
drivers/regulator/max8649.c
View File

@ -357,7 +357,6 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
dev_info(info->dev, "Max8649 regulator device is detected.\n");
return 0;
out:
i2c_set_clientdata(client, NULL);
kfree(info);
return ret;
}
@ -369,7 +368,6 @@ static int __devexit max8649_regulator_remove(struct i2c_client *client)
if (info) {
if (info->regulator)
regulator_unregister(info->regulator);
i2c_set_clientdata(client, NULL);
kfree(info);
}

1
drivers/regulator/max8660.c
View File

@ -471,7 +471,6 @@ static int __devexit max8660_remove(struct i2c_client *client)
for (i = 0; i < MAX8660_V_END; i++)
if (rdev[i])
regulator_unregister(rdev[i]);
i2c_set_clientdata(client, NULL);
kfree(rdev);
return 0;

3
drivers/regulator/tps65023-regulator.c
View File

@ -538,9 +538,6 @@ static int __devexit tps_65023_remove(struct i2c_client *client)
struct tps_pmic *tps = i2c_get_clientdata(client);
int i;
/* clear the client data in i2c */
i2c_set_clientdata(client, NULL);
for (i = 0; i < TPS65023_NUM_REGULATOR; i++)
regulator_unregister(tps->rdev[i]);

2
drivers/rtc/rtc-ds1374.c
View File

@ -403,7 +403,6 @@ out_irq:
free_irq(client->irq, client);
out_free:
i2c_set_clientdata(client, NULL);
kfree(ds1374);
return ret;
}
@ -422,7 +421,6 @@ static int __devexit ds1374_remove(struct i2c_client *client)
}
rtc_device_unregister(ds1374->rtc);
i2c_set_clientdata(client, NULL);
kfree(ds1374);
return 0;
}

2
drivers/rtc/rtc-rx8025.c
View File

@ -632,7 +632,6 @@ errout_reg:
rtc_device_unregister(rx8025->rtc);
errout_free:
i2c_set_clientdata(client, NULL);
kfree(rx8025);
errout:
@ -656,7 +655,6 @@ static int __devexit rx8025_remove(struct i2c_client *client)
rx8025_sysfs_unregister(&client->dev);
rtc_device_unregister(rx8025->rtc);
i2c_set_clientdata(client, NULL);
kfree(rx8025);
return 0;
}

2
drivers/rtc/rtc-s35390a.c
View File

@ -275,7 +275,6 @@ exit_dummy:
if (s35390a->client[i])
i2c_unregister_device(s35390a->client[i]);
kfree(s35390a);
i2c_set_clientdata(client, NULL);
exit:
return err;
@ -292,7 +291,6 @@ static int s35390a_remove(struct i2c_client *client)
rtc_device_unregister(s35390a->rtc);
kfree(s35390a);
i2c_set_clientdata(client, NULL);
return 0;
}

2
drivers/staging/dream/synaptics_i2c_rmi.c
View File

@ -519,7 +519,6 @@ err_input_register_device_failed:
err_input_dev_alloc_failed:
err_detect_failed:
err_power_failed:
i2c_set_clientdata(client, NULL);
kfree(ts);
err_alloc_data_failed:
err_check_functionality_failed:
@ -537,7 +536,6 @@ static int synaptics_ts_remove(struct i2c_client *client)
else
hrtimer_cancel(&ts->timer);
input_unregister_device(ts->input_dev);
i2c_set_clientdata(client, NULL);
kfree(ts);
return 0;
}

2
drivers/staging/go7007/wis-saa7113.c
View File

@ -289,7 +289,6 @@ static int wis_saa7113_probe(struct i2c_client *client,
if (write_regs(client, initial_registers) < 0) {
printk(KERN_ERR
"wis-saa7113: error initializing SAA7113\n");
i2c_set_clientdata(client, NULL);
kfree(dec);
return -ENODEV;
}
@ -301,7 +300,6 @@ static int wis_saa7113_remove(struct i2c_client *client)
{
struct wis_saa7113 *dec = i2c_get_clientdata(client);
i2c_set_clientdata(client, NULL);
kfree(dec);
return 0;
}

2
drivers/staging/go7007/wis-saa7115.c
View File

@ -422,7 +422,6 @@ static int wis_saa7115_probe(struct i2c_client *client,
if (write_regs(client, initial_registers) < 0) {
printk(KERN_ERR
"wis-saa7115: error initializing SAA7115\n");
i2c_set_clientdata(client, NULL);
kfree(dec);
return -ENODEV;
}
@ -434,7 +433,6 @@ static int wis_saa7115_remove(struct i2c_client *client)
{
struct wis_saa7115 *dec = i2c_get_clientdata(client);
i2c_set_clientdata(client, NULL);
kfree(dec);
return 0;
}

1
drivers/staging/go7007/wis-sony-tuner.c
View File

@ -684,7 +684,6 @@ static int wis_sony_tuner_remove(struct i2c_client *client)
{
struct wis_sony_tuner *t = i2c_get_clientdata(client);
i2c_set_clientdata(client, NULL);
kfree(t);
return 0;
}

1
drivers/staging/go7007/wis-tw2804.c
View File

@ -323,7 +323,6 @@ static int wis_tw2804_remove(struct i2c_client *client)
{
struct wis_tw2804 *dec = i2c_get_clientdata(client);
i2c_set_clientdata(client, NULL);
kfree(dec);
return 0;
}

2
drivers/staging/go7007/wis-tw9903.c
View File

@ -294,7 +294,6 @@ static int wis_tw9903_probe(struct i2c_client *client,
if (write_regs(client, initial_registers) < 0) {
printk(KERN_ERR "wis-tw9903: error initializing TW9903\n");
i2c_set_clientdata(client, NULL);
kfree(dec);
return -ENODEV;
}
@ -306,7 +305,6 @@ static int wis_tw9903_remove(struct i2c_client *client)
{
struct wis_tw9903 *dec = i2c_get_clientdata(client);
i2c_set_clientdata(client, NULL);
kfree(dec);
return 0;
}

2
drivers/staging/iio/adc/max1363_core.c
View File

@ -1011,7 +1011,6 @@ error_put_reg:
if (!IS_ERR(st->reg))
regulator_put(st->reg);
error_free_st:
i2c_set_clientdata(client, NULL);
kfree(st);
error_ret:
@ -1030,7 +1029,6 @@ static int max1363_remove(struct i2c_client *client)
regulator_disable(st->reg);
regulator_put(st->reg);
}
i2c_set_clientdata(client, NULL);
kfree(st);
return 0;

2
drivers/staging/iio/light/tsl2563.c
View File

@ -694,7 +694,6 @@ static int __devinit tsl2563_probe(struct i2c_client *client,
fail2:
iio_device_unregister(chip->indio_dev);
fail1:
i2c_set_clientdata(client, NULL);
kfree(chip);
return err;
}
@ -705,7 +704,6 @@ static int tsl2563_remove(struct i2c_client *client)
iio_device_unregister(chip->indio_dev);
i2c_set_clientdata(client, NULL);
kfree(chip);
return 0;
}

2
drivers/video/backlight/adp8860_bl.c
View File

@ -756,7 +756,6 @@ out:
out1:
backlight_device_unregister(bl);
out2:
i2c_set_clientdata(client, NULL);
kfree(data);
return ret;
@ -776,7 +775,6 @@ static int __devexit adp8860_remove(struct i2c_client *client)
&adp8860_bl_attr_group);
backlight_device_unregister(data->bl);
i2c_set_clientdata(client, NULL);
kfree(data);
return 0;

2
drivers/video/backlight/tosa_bl.c
View File

@ -119,7 +119,6 @@ static int __devinit tosa_bl_probe(struct i2c_client *client,
err_reg:
data->bl = NULL;
i2c_set_clientdata(client, NULL);
err_gpio_dir:
gpio_free(TOSA_GPIO_BL_C20MA);
err_gpio_bl:
@ -133,7 +132,6 @@ static int __devexit tosa_bl_remove(struct i2c_client *client)
backlight_device_unregister(data->bl);
data->bl = NULL;
i2c_set_clientdata(client, NULL);
gpio_free(TOSA_GPIO_BL_C20MA);