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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>
This commit is contained in:
Jingoo Han 2012-07-30 14:40:31 -07:00 committed by Linus Torvalds
parent a824c73cc3
commit a4be29ac6d
1 changed files with 2 additions and 3 deletions
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5
drivers/video/backlight/atmel-pwm-bl.c
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@ -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;
}