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drivers/video/backlight/adp5520_bl.c: 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>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Julia Lawall 2012-03-23 15:02:01 -07:00 committed by Linus Torvalds
parent ce969228fd
commit 050ea48bbf
1 changed files with 1 additions and 5 deletions
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6
drivers/video/backlight/adp5520_bl.c
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@ -289,7 +289,7 @@ static int __devinit adp5520_bl_probe(struct platform_device *pdev)
struct adp5520_bl *data;
int ret = 0;
data = kzalloc(sizeof(*data), GFP_KERNEL);
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
@ -298,7 +298,6 @@ static int __devinit adp5520_bl_probe(struct platform_device *pdev)
if (data->pdata == NULL) {
dev_err(&pdev->dev, "missing platform data\n");
kfree(data);
return -ENODEV;
}
@ -314,7 +313,6 @@ static int __devinit adp5520_bl_probe(struct platform_device *pdev)
&adp5520_bl_ops, &props);
if (IS_ERR(bl)) {
dev_err(&pdev->dev, "failed to register backlight\n");
kfree(data);
return PTR_ERR(bl);
}
@ -326,7 +324,6 @@ static int __devinit adp5520_bl_probe(struct platform_device *pdev)
if (ret) {
dev_err(&pdev->dev, "failed to register sysfs\n");
backlight_device_unregister(bl);
kfree(data);
}
platform_set_drvdata(pdev, bl);
@ -348,7 +345,6 @@ static int __devexit adp5520_bl_remove(struct platform_device *pdev)
&adp5520_bl_attr_group);
backlight_device_unregister(bl);
kfree(data);
return 0;
}