lkml.org 
[lkml]   [2012]   [May]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 3/3][RESEND] backlight: lm3533_bl: use devm_ functions
Date
The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_kzalloc of these functions.

Acked-by: Johan Hovold <jhovold@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
drivers/video/backlight/lm3533_bl.c | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c
index 0148227..d916ffe 100644
--- a/drivers/video/backlight/lm3533_bl.c
+++ b/drivers/video/backlight/lm3533_bl.c
@@ -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;
}
--
1.7.1



\
 
 \ /
  Last update: 2012-05-29 02:41    [W:0.048 / U:0.088 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site