diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
index a1376dc73d71cd79492c388afc340d7fba229545..915943af3f21eed5f78d5fada3c3d42d20e74b6b 100644
--- a/drivers/video/backlight/88pm860x_bl.c
+++ b/drivers/video/backlight/88pm860x_bl.c
@@ -187,7 +187,8 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
return -EINVAL;
}
- data = kzalloc(sizeof(struct pm860x_backlight_data), GFP_KERNEL);
+ data = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_backlight_data),
+ GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
strncpy(name, res->name, MFD_NAME_SIZE);
@@ -200,7 +201,6 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
data->port = pdata->flags;
if (data->port < 0) {
dev_err(&pdev->dev, "wrong platform data is assigned");
- kfree(data);
return -EINVAL;
}
@@ -211,7 +211,6 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
&pm860x_backlight_ops, &props);
if (IS_ERR(bl)) {
dev_err(&pdev->dev, "failed to register backlight\n");
- kfree(data);
return PTR_ERR(bl);
}
bl->props.brightness = MAX_BRIGHTNESS;
@@ -247,17 +246,14 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
return 0;
out:
backlight_device_unregister(bl);
- kfree(data);
return ret;
}
static int pm860x_backlight_remove(struct platform_device *pdev)
{
struct backlight_device *bl = platform_get_drvdata(pdev);
- struct pm860x_backlight_data *data = bl_get_data(bl);
backlight_device_unregister(bl);
- kfree(data);
return 0;
}
diff --git a/drivers/video/backlight/aat2870_bl.c b/drivers/video/backlight/aat2870_bl.c
index 331f1ef1dad5c87984c813d465c06b84733896a8..7ff752288b92ea4fb7ff3bc87c60506054e57ed2 100644
--- a/drivers/video/backlight/aat2870_bl.c
+++ b/drivers/video/backlight/aat2870_bl.c
@@ -145,7 +145,9 @@ static int aat2870_bl_probe(struct platform_device *pdev)
goto out;
}
- aat2870_bl = kzalloc(sizeof(struct aat2870_bl_driver_data), GFP_KERNEL);
+ aat2870_bl = devm_kzalloc(&pdev->dev,
+ sizeof(struct aat2870_bl_driver_data),
+ GFP_KERNEL);
if (!aat2870_bl) {
dev_err(&pdev->dev,
"Failed to allocate memory for aat2870 backlight\n");
@@ -162,7 +164,7 @@ static int aat2870_bl_probe(struct platform_device *pdev)
dev_err(&pdev->dev,
"Failed allocate memory for backlight device\n");
ret = PTR_ERR(bd);
- goto out_kfree;
+ goto out;
}
aat2870_bl->pdev = pdev;
@@ -199,8 +201,6 @@ static int aat2870_bl_probe(struct platform_device *pdev)
out_bl_dev_unregister:
backlight_device_unregister(bd);
-out_kfree:
- kfree(aat2870_bl);
out:
return ret;
}
@@ -215,7 +215,6 @@ static int aat2870_bl_remove(struct platform_device *pdev)
backlight_update_status(bd);
backlight_device_unregister(bd);
- kfree(aat2870_bl);
return 0;
}
diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
index 6c8c54041fae84f7bb33faf084e3ec9ff932f081..22489eb5f3e0beb525c3965df1d1186c1ee914ca 100644
--- a/drivers/video/backlight/cr_bllcd.c
+++ b/drivers/video/backlight/cr_bllcd.c
@@ -212,7 +212,7 @@ static int cr_backlight_probe(struct platform_device *pdev)
&gpio_bar);
gpio_bar &= ~0x3F;
- crp = kzalloc(sizeof(*crp), GFP_KERNEL);
+ crp = devm_kzalloc(&pdev->dev, sizeof(*crp), GFP_KERNEL);
if (!crp) {
lcd_device_unregister(ldp);
backlight_device_unregister(bdp);
@@ -243,7 +243,6 @@ static int cr_backlight_remove(struct platform_device *pdev)
backlight_device_unregister(crp->cr_backlight_device);
lcd_device_unregister(crp->cr_lcd_device);
pci_dev_put(lpc_dev);
- kfree(crp);
return 0;
}
diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
index abb4a06268f1831e57815475338447fb83822543..30e19681a30b452a9c06181b83d2f448c10c4db1 100644
--- a/drivers/video/backlight/da903x_bl.c
+++ b/drivers/video/backlight/da903x_bl.c
@@ -110,7 +110,7 @@ static int da903x_backlight_probe(struct platform_device *pdev)
struct backlight_properties props;
int max_brightness;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
@@ -124,7 +124,6 @@ static int da903x_backlight_probe(struct platform_device *pdev)
default:
dev_err(&pdev->dev, "invalid backlight device ID(%d)\n",
pdev->id);
- kfree(data);
return -EINVAL;
}
@@ -143,7 +142,6 @@ static int da903x_backlight_probe(struct platform_device *pdev)
&da903x_backlight_ops, &props);
if (IS_ERR(bl)) {
dev_err(&pdev->dev, "failed to register backlight\n");
- kfree(data);
return PTR_ERR(bl);
}
@@ -157,10 +155,8 @@ static int da903x_backlight_probe(struct platform_device *pdev)
static int da903x_backlight_remove(struct platform_device *pdev)
{
struct backlight_device *bl = platform_get_drvdata(pdev);
- struct da903x_backlight_data *data = bl_get_data(bl);
backlight_device_unregister(bl);
- kfree(data);
return 0;
}
diff --git a/drivers/video/backlight/max8925_bl.c b/drivers/video/backlight/max8925_bl.c
index c915e3b5388698b2c8c8007167ed531ad5e38580..e833ac72e063b80f26f08e613014f750891377d4 100644
--- a/drivers/video/backlight/max8925_bl.c
+++ b/drivers/video/backlight/max8925_bl.c
@@ -129,7 +129,8 @@ static int __devinit max8925_backlight_probe(struct platform_device *pdev)
return -EINVAL;
}
- data = kzalloc(sizeof(struct max8925_backlight_data), GFP_KERNEL);
+ data = devm_kzalloc(&pdev->dev, sizeof(struct max8925_backlight_data),
+ GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
strncpy(name, res->name, MAX8925_NAME_SIZE);
@@ -143,7 +144,6 @@ static int __devinit max8925_backlight_probe(struct platform_device *pdev)
&max8925_backlight_ops, &props);
if (IS_ERR(bl)) {
dev_err(&pdev->dev, "failed to register backlight\n");
- kfree(data);
return PTR_ERR(bl);
}
bl->props.brightness = MAX_BRIGHTNESS;
@@ -165,17 +165,14 @@ static int __devinit max8925_backlight_probe(struct platform_device *pdev)
return 0;
out:
backlight_device_unregister(bl);
- kfree(data);
return ret;
}
static int __devexit max8925_backlight_remove(struct platform_device *pdev)
{
struct backlight_device *bl = platform_get_drvdata(pdev);
- struct max8925_backlight_data *data = bl_get_data(bl);
backlight_device_unregister(bl);
- kfree(data);
return 0;
}
diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c
index d8cde277ec83a691c658b9e0afef6c3aef63ffb4..0175bfb08a1ca13ef14412cd1e49d1bb033430d3 100644
--- a/drivers/video/backlight/omap1_bl.c
+++ b/drivers/video/backlight/omap1_bl.c
@@ -141,7 +141,8 @@ static int omapbl_probe(struct platform_device *pdev)
if (!pdata)
return -ENXIO;
- bl = kzalloc(sizeof(struct omap_backlight), GFP_KERNEL);
+ bl = devm_kzalloc(&pdev->dev, sizeof(struct omap_backlight),
+ GFP_KERNEL);
if (unlikely(!bl))
return -ENOMEM;
@@ -150,10 +151,8 @@ static int omapbl_probe(struct platform_device *pdev)
props.max_brightness = OMAPBL_MAX_INTENSITY;
dev = backlight_device_register("omap-bl", &pdev->dev, bl, &omapbl_ops,
&props);
- if (IS_ERR(dev)) {
- kfree(bl);
+ if (IS_ERR(dev))
return PTR_ERR(dev);
- }
bl->powermode = FB_BLANK_POWERDOWN;
bl->current_intensity = 0;
@@ -177,10 +176,8 @@ static int omapbl_probe(struct platform_device *pdev)
static int omapbl_remove(struct platform_device *pdev)
{
struct backlight_device *dev = platform_get_drvdata(pdev);
- struct omap_backlight *bl = dev_get_drvdata(&dev->dev);
backlight_device_unregister(dev);
- kfree(bl);
return 0;
}
diff --git a/drivers/video/backlight/pcf50633-backlight.c b/drivers/video/backlight/pcf50633-backlight.c
index 13e88b71daecc42b5e833c252fd1305a19cc5ed0..c65853cb9740633ab9d1ff6b5ba7a659fac276e1 100644
--- a/drivers/video/backlight/pcf50633-backlight.c
+++ b/drivers/video/backlight/pcf50633-backlight.c
@@ -101,14 +101,13 @@ static const struct backlight_ops pcf50633_bl_ops = {
static int __devinit pcf50633_bl_probe(struct platform_device *pdev)
{
- int ret;
struct pcf50633_bl *pcf_bl;
struct device *parent = pdev->dev.parent;
struct pcf50633_platform_data *pcf50633_data = parent->platform_data;
struct pcf50633_bl_platform_data *pdata = pcf50633_data->backlight_data;
struct backlight_properties bl_props;
- pcf_bl = kzalloc(sizeof(*pcf_bl), GFP_KERNEL);
+ pcf_bl = devm_kzalloc(&pdev->dev, sizeof(*pcf_bl), GFP_KERNEL);
if (!pcf_bl)
return -ENOMEM;
@@ -129,10 +128,8 @@ static int __devinit pcf50633_bl_probe(struct platform_device *pdev)
pcf_bl->bl = backlight_device_register(pdev->name, &pdev->dev, pcf_bl,
&pcf50633_bl_ops, &bl_props);
- if (IS_ERR(pcf_bl->bl)) {
- ret = PTR_ERR(pcf_bl->bl);
- goto err_free;
- }
+ if (IS_ERR(pcf_bl->bl))
+ return PTR_ERR(pcf_bl->bl);
platform_set_drvdata(pdev, pcf_bl);
@@ -145,11 +142,6 @@ static int __devinit pcf50633_bl_probe(struct platform_device *pdev)
backlight_update_status(pcf_bl->bl);
return 0;
-
-err_free:
- kfree(pcf_bl);
-
- return ret;
}
static int __devexit pcf50633_bl_remove(struct platform_device *pdev)
@@ -160,8 +152,6 @@ static int __devexit pcf50633_bl_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
- kfree(pcf_bl);
-
return 0;
}
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 7496d04e1d3c1fcda109ae04d12e79c24edacc0e..342b7d7cbb632826611f856a7eaa578220d16681 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -102,7 +102,7 @@ static int pwm_backlight_probe(struct platform_device *pdev)
return ret;
}
- pb = kzalloc(sizeof(*pb), GFP_KERNEL);
+ pb = devm_kzalloc(&pdev->dev, sizeof(*pb), GFP_KERNEL);
if (!pb) {
dev_err(&pdev->dev, "no memory for state\n");
ret = -ENOMEM;
@@ -121,7 +121,7 @@ static int pwm_backlight_probe(struct platform_device *pdev)
if (IS_ERR(pb->pwm)) {
dev_err(&pdev->dev, "unable to request PWM for backlight\n");
ret = PTR_ERR(pb->pwm);
- goto err_pwm;
+ goto err_alloc;
} else
dev_dbg(&pdev->dev, "got pwm for backlight\n");
@@ -144,8 +144,6 @@ static int pwm_backlight_probe(struct platform_device *pdev)
err_bl:
pwm_free(pb->pwm);
-err_pwm:
- kfree(pb);
err_alloc:
if (data->exit)
data->exit(&pdev->dev);
@@ -162,7 +160,6 @@ static int pwm_backlight_remove(struct platform_device *pdev)
pwm_config(pb->pwm, 0, pb->period);
pwm_disable(pb->pwm);
pwm_free(pb->pwm);
- kfree(pb);
if (data->exit)
data->exit(&pdev->dev);
return 0;