diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2012-07-30 23:40:34 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-31 02:25:15 +0200 |
| commit | b4a74615a4729ca4e6903bd3027339c4e6e7ae03 (patch) | |
| tree | c5d8d6453de0f531f8d960e543b4b8623f4355fe | |
| parent | drivers/video/backlight/ot200_bl.c: use devm_ functions (diff) | |
| download | linux-b4a74615a4729ca4e6903bd3027339c4e6e7ae03.tar.xz linux-b4a74615a4729ca4e6903bd3027339c4e6e7ae03.zip | |
drivers/video/backlight/lm3533_bl.c: use devm_ functions
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>
| -rw-r--r-- | 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 bebeb63607db..18dca0c29c68 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; } |