diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2012-05-29 15:07:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 16:22:30 -0700 |
| commit | 06c96f189bf94448779db66944836a827517d6c9 (patch) | |
| tree | 65e29d88292528353306454db2e8720912845762 | |
| parent | 80629efcae09c5d80a9fdeea5226cd81b4fec7f3 (diff) | |
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>
| -rw-r--r-- | drivers/video/backlight/corgi_lcd.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c index 6dab13fe562e..23d732677ba1 100644 --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -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; } |