diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2012-05-29 15:07:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 16:22:30 -0700 |
| commit | 91cdb239905ea98fbcd373254ea0de86ca16c1e0 (patch) | |
| tree | cbf4e8e72c020316ad260ad4c7a38c9b90e3de6f | |
| parent | 58875ea925763e99b8862dc07bcdebde774d830b (diff) | |
| download | linux-3.10-91cdb239905ea98fbcd373254ea0de86ca16c1e0.tar.gz linux-3.10-91cdb239905ea98fbcd373254ea0de86ca16c1e0.tar.bz2 linux-3.10-91cdb239905ea98fbcd373254ea0de86ca16c1e0.zip | |
backlight: adp8870: use devm_ functions
The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_kzalloc of these functions.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/video/backlight/adp8870_bl.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c index c90539bb429..edf7f91c8e6 100644 --- a/drivers/video/backlight/adp8870_bl.c +++ b/drivers/video/backlight/adp8870_bl.c @@ -244,8 +244,8 @@ static int __devinit adp8870_led_probe(struct i2c_client *client) struct led_info *cur_led; int ret, i; - - led = kcalloc(pdata->num_leds, sizeof(*led), GFP_KERNEL); + led = devm_kzalloc(&client->dev, pdata->num_leds * sizeof(*led), + GFP_KERNEL); if (led == NULL) { dev_err(&client->dev, "failed to alloc memory\n"); return -ENOMEM; @@ -253,17 +253,17 @@ static int __devinit adp8870_led_probe(struct i2c_client *client) ret = adp8870_write(client, ADP8870_ISCLAW, pdata->led_fade_law); if (ret) - goto err_free; + return ret; ret = adp8870_write(client, ADP8870_ISCT1, (pdata->led_on_time & 0x3) << 6); if (ret) - goto err_free; + return ret; ret = adp8870_write(client, ADP8870_ISCF, FADE_VAL(pdata->led_fade_in, pdata->led_fade_out)); if (ret) - goto err_free; + return ret; for (i = 0; i < pdata->num_leds; ++i) { cur_led = &pdata->leds[i]; @@ -317,9 +317,6 @@ static int __devinit adp8870_led_probe(struct i2c_client *client) cancel_work_sync(&led[i].work); } - err_free: - kfree(led); - return ret; } @@ -335,7 +332,6 @@ static int __devexit adp8870_led_remove(struct i2c_client *client) cancel_work_sync(&data->led[i].work); } - kfree(data->led); return 0; } #else @@ -874,7 +870,7 @@ static int __devinit adp8870_probe(struct i2c_client *client, return -ENODEV; } - data = kzalloc(sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL); if (data == NULL) return -ENOMEM; @@ -894,8 +890,7 @@ static int __devinit adp8870_probe(struct i2c_client *client, &client->dev, data, &adp8870_bl_ops, &props); if (IS_ERR(bl)) { dev_err(&client->dev, "failed to register backlight\n"); - ret = PTR_ERR(bl); - goto out2; + return PTR_ERR(bl); } data->bl = bl; @@ -930,8 +925,6 @@ out: &adp8870_bl_attr_group); out1: backlight_device_unregister(bl); -out2: - kfree(data); return ret; } @@ -950,7 +943,6 @@ static int __devexit adp8870_remove(struct i2c_client *client) &adp8870_bl_attr_group); backlight_device_unregister(data->bl); - kfree(data); return 0; } |