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| author | Julia Lawall <Julia.Lawall@lip6.fr> | 2012-03-23 23:02:00 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-24 00:58:33 +0100 |
| commit | ce969228fdb54a7e3d7cc1ed27367fd4b9525d74 (patch) | |
| tree | 9850c7cc96d582302769c442e00142ac30a7bbc3 /drivers/video/backlight/da903x_bl.c | |
| parent | drivers/video/backlight/wm831x_bl.c: use devm_ functions (diff) | |
| download | linux-ce969228fdb54a7e3d7cc1ed27367fd4b9525d74.tar.xz linux-ce969228fdb54a7e3d7cc1ed27367fd4b9525d74.zip | |
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/da903x_bl.c')
| -rw-r--r-- | drivers/video/backlight/da903x_bl.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c index abb4a06268f1..30e19681a30b 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; } |