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backlight: tosa_bl: 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>
Cc: Dmitry Baryshkov <dbaryshkov@gmail.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>
This commit is contained in:
Jingoo Han 2012-05-29 15:07:25 -07:00 committed by Linus Torvalds
parent d073adc5ca
commit f072c8900c
1 changed files with 5 additions and 6 deletions
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11
drivers/video/backlight/tosa_bl.c
View File

@ -82,8 +82,11 @@ static int __devinit tosa_bl_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct backlight_properties props;
struct tosa_bl_data *data = kzalloc(sizeof(struct tosa_bl_data), GFP_KERNEL);
struct tosa_bl_data *data;
int ret = 0;
data = devm_kzalloc(&client->dev, sizeof(struct tosa_bl_data),
GFP_KERNEL);
if (!data)
return -ENOMEM;
@ -92,7 +95,7 @@ static int __devinit tosa_bl_probe(struct i2c_client *client,
ret = gpio_request(TOSA_GPIO_BL_C20MA, "backlight");
if (ret) {
dev_dbg(&data->bl->dev, "Unable to request gpio!\n");
goto err_gpio_bl;
return ret;
}
ret = gpio_direction_output(TOSA_GPIO_BL_C20MA, 0);
if (ret)
@ -122,8 +125,6 @@ err_reg:
data->bl = NULL;
err_gpio_dir:
gpio_free(TOSA_GPIO_BL_C20MA);
err_gpio_bl:
kfree(data);
return ret;
}
@ -136,8 +137,6 @@ static int __devexit tosa_bl_remove(struct i2c_client *client)
gpio_free(TOSA_GPIO_BL_C20MA);
kfree(data);
return 0;
}