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drivers/video/backlight/ld9040.c: small fixes

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- Fix checking of wrong return value for backlight_device_register()

- Properly free allocated resources in ld9040_probe() error path and
  ld9040_remove().

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Donghwa Lee <dh09.lee@samsung.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:
Axel Lin 2011-07-25 17:11:58 -07:00 committed by Linus Torvalds
parent ccb6108f5b
commit e2e7da9bcc
1 changed files with 6 additions and 3 deletions
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9
drivers/video/backlight/ld9040.c
View file

@ -701,9 +701,9 @@ static int ld9040_probe(struct spi_device *spi)
bd = backlight_device_register("ld9040-bl", &spi->dev,
lcd, &ld9040_backlight_ops, NULL);
if (IS_ERR(ld)) {
ret = PTR_ERR(ld);
goto out_free_lcd;
if (IS_ERR(bd)) {
ret = PTR_ERR(bd);
goto out_unregister_lcd;
}
bd->props.max_brightness = MAX_BRIGHTNESS;
@ -731,6 +731,8 @@ static int ld9040_probe(struct spi_device *spi)
dev_info(&spi->dev, "ld9040 panel driver has been probed.\n");
return 0;
out_unregister_lcd:
lcd_device_unregister(lcd->ld);
out_free_lcd:
kfree(lcd);
return ret;
@ -741,6 +743,7 @@ static int __devexit ld9040_remove(struct spi_device *spi)
struct ld9040 *lcd = dev_get_drvdata(&spi->dev);
ld9040_power(lcd, FB_BLANK_POWERDOWN);
backlight_device_unregister(lcd->bd);
lcd_device_unregister(lcd->ld);
kfree(lcd);