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drivers/video/backlight/lm3533_bl.c: use devm_ functions

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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>
Acked-by: Johan Hovold <jhovold@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 2012-07-30 14:40:34 -07:00 committed by Linus Torvalds
parent f1b60d46b6
commit b4a74615a4
1 changed files with 2 additions and 6 deletions
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8
drivers/video/backlight/lm3533_bl.c
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@ -295,7 +295,7 @@ static int __devinit lm3533_bl_probe(struct platform_device *pdev)
return -EINVAL;
}
bl = kzalloc(sizeof(*bl), GFP_KERNEL);
bl = devm_kzalloc(&pdev->dev, sizeof(*bl), GFP_KERNEL);
if (!bl) {
dev_err(&pdev->dev,
"failed to allocate memory for backlight\n");
@ -317,8 +317,7 @@ static int __devinit lm3533_bl_probe(struct platform_device *pdev)
&lm3533_bl_ops, &props);
if (IS_ERR(bd)) {
dev_err(&pdev->dev, "failed to register backlight device\n");
ret = PTR_ERR(bd);
goto err_free;
return PTR_ERR(bd);
}
bl->bd = bd;
@ -348,8 +347,6 @@ err_sysfs_remove:
sysfs_remove_group(&bd->dev.kobj, &lm3533_bl_attribute_group);
err_unregister:
backlight_device_unregister(bd);
err_free:
kfree(bl);
return ret;
}
@ -367,7 +364,6 @@ static int __devexit lm3533_bl_remove(struct platform_device *pdev)
lm3533_ctrlbank_disable(&bl->cb);
sysfs_remove_group(&bd->dev.kobj, &lm3533_bl_attribute_group);
backlight_device_unregister(bd);
kfree(bl);
return 0;
}