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authorJingoo Han <jg1.han@samsung.com>2012-07-30 14:40:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-30 17:25:14 -0700
commita4be29ac6df4f7c7a0225f7f72c78f4fb10114c0 (patch)
tree17fc7c823ce34f0a3d4a0cdca0924295dfb19d86 /drivers
parenta824c73cc33e149f79914bcebd90ace1433c0721 (diff)
drivers/video/backlight/atmel-pwm-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: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/backlight/atmel-pwm-bl.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
index 0443a4f71858..cd64073d3f53 100644
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -127,7 +127,8 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
struct atmel_pwm_bl *pwmbl;
int retval;
- pwmbl = kzalloc(sizeof(struct atmel_pwm_bl), GFP_KERNEL);
+ pwmbl = devm_kzalloc(&pdev->dev, sizeof(struct atmel_pwm_bl),
+ GFP_KERNEL);
if (!pwmbl)
return -ENOMEM;
@@ -202,7 +203,6 @@ err_free_gpio:
err_free_pwm:
pwm_channel_free(&pwmbl->pwmc);
err_free_mem:
- kfree(pwmbl);
return retval;
}
@@ -218,7 +218,6 @@ static int __exit atmel_pwm_bl_remove(struct platform_device *pdev)
pwm_channel_free(&pwmbl->pwmc);
backlight_device_unregister(pwmbl->bldev);
platform_set_drvdata(pdev, NULL);
- kfree(pwmbl);
return 0;
}