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authorJingoo Han <jg1.han@samsung.com>2012-05-29 15:07:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-29 16:22:31 -0700
commitf072c8900c11bc91eb3fa9287bab4ce606632be5 (patch)
treed0301ae9b4d5089f1c9104c0d9c44de82ef7e982
parentd073adc5caf03a928a230baf2d8a86b1f9a03710 (diff)
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>
-rw-r--r--drivers/video/backlight/tosa_bl.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c
index 2b241abced43..0d54e607e82d 100644
--- a/drivers/video/backlight/tosa_bl.c
+++ b/drivers/video/backlight/tosa_bl.c
@@ -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;
}