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backlight: corgi_lcd: 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>
Cc: Eric Miao <eric.y.miao@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 2012-05-29 15:07:22 -07:00 committed by Linus Torvalds
parent 80629efcae
commit 06c96f189b
1 changed files with 4 additions and 8 deletions
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12
drivers/video/backlight/corgi_lcd.c
View File

@ -544,7 +544,7 @@ static int __devinit corgi_lcd_probe(struct spi_device *spi)
return -EINVAL;
}
lcd = kzalloc(sizeof(struct corgi_lcd), GFP_KERNEL);
lcd = devm_kzalloc(&spi->dev, sizeof(struct corgi_lcd), GFP_KERNEL);
if (!lcd) {
dev_err(&spi->dev, "failed to allocate memory\n");
return -ENOMEM;
@ -554,10 +554,9 @@ static int __devinit corgi_lcd_probe(struct spi_device *spi)
lcd->lcd_dev = lcd_device_register("corgi_lcd", &spi->dev,
lcd, &corgi_lcd_ops);
if (IS_ERR(lcd->lcd_dev)) {
ret = PTR_ERR(lcd->lcd_dev);
goto err_free_lcd;
}
if (IS_ERR(lcd->lcd_dev))
return PTR_ERR(lcd->lcd_dev);
lcd->power = FB_BLANK_POWERDOWN;
lcd->mode = (pdata) ? pdata->init_mode : CORGI_LCD_MODE_VGA;
@ -591,8 +590,6 @@ err_unregister_bl:
backlight_device_unregister(lcd->bl_dev);
err_unregister_lcd:
lcd_device_unregister(lcd->lcd_dev);
err_free_lcd:
kfree(lcd);
return ret;
}
@ -613,7 +610,6 @@ static int __devexit corgi_lcd_remove(struct spi_device *spi)
corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN);
lcd_device_unregister(lcd->lcd_dev);
kfree(lcd);
return 0;
}