diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2012-05-29 15:07:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 16:22:31 -0700 |
| commit | ab03e04741fc7a5747daabc57d15cb1a3e2fd289 (patch) | |
| tree | 5a067c384207215416da5bd09c75b6e46f2f9d14 | |
| parent | 26f2b35c1e1463c851be23c9774bd24caae7b517 (diff) | |
backlight: ltv350qv: 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: Haavard Skinnemoen <hskinnemoen@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/ltv350qv.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c index d23922ff3354..6c0f1ac0d32a 100644 --- a/drivers/video/backlight/ltv350qv.c +++ b/drivers/video/backlight/ltv350qv.c @@ -232,23 +232,20 @@ static int __devinit ltv350qv_probe(struct spi_device *spi) struct lcd_device *ld; int ret; - lcd = kzalloc(sizeof(struct ltv350qv), GFP_KERNEL); + lcd = devm_kzalloc(&spi->dev, sizeof(struct ltv350qv), GFP_KERNEL); if (!lcd) return -ENOMEM; lcd->spi = spi; lcd->power = FB_BLANK_POWERDOWN; - lcd->buffer = kzalloc(8, GFP_KERNEL); - if (!lcd->buffer) { - ret = -ENOMEM; - goto out_free_lcd; - } + lcd->buffer = devm_kzalloc(&spi->dev, 8, GFP_KERNEL); + if (!lcd->buffer) + return -ENOMEM; ld = lcd_device_register("ltv350qv", &spi->dev, lcd, <v_ops); - if (IS_ERR(ld)) { - ret = PTR_ERR(ld); - goto out_free_buffer; - } + if (IS_ERR(ld)) + return PTR_ERR(ld); + lcd->ld = ld; ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK); @@ -261,10 +258,6 @@ static int __devinit ltv350qv_probe(struct spi_device *spi) out_unregister: lcd_device_unregister(ld); -out_free_buffer: - kfree(lcd->buffer); -out_free_lcd: - kfree(lcd); return ret; } @@ -274,8 +267,6 @@ static int __devexit ltv350qv_remove(struct spi_device *spi) ltv350qv_power(lcd, FB_BLANK_POWERDOWN); lcd_device_unregister(lcd->ld); - kfree(lcd->buffer); - kfree(lcd); return 0; } |