diff options
| author | Julia Lawall <Julia.Lawall@lip6.fr> | 2012-03-23 15:02:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-23 16:58:33 -0700 |
| commit | ce969228fdb54a7e3d7cc1ed27367fd4b9525d74 (patch) | |
| tree | 9850c7cc96d582302769c442e00142ac30a7bbc3 /drivers/video/backlight/88pm860x_bl.c | |
| parent | 1107d40a50956146d1272f5cffcdf1d83f7e703e (diff) | |
| download | linux-ce969228fdb54a7e3d7cc1ed27367fd4b9525d74.tar.gz | |
drivers/video/backlight: use devm_ functions
The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/backlight/88pm860x_bl.c')
| -rw-r--r-- | drivers/video/backlight/88pm860x_bl.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c index a1376dc73d71..915943af3f21 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; } |