- 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>
bd = backlight_device_register("ld9040-bl", &spi->dev,
lcd, &ld9040_backlight_ops, NULL);
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;
}
bd->props.max_brightness = MAX_BRIGHTNESS;
dev_info(&spi->dev, "ld9040 panel driver has been probed.\n");
return 0;
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;
out_free_lcd:
kfree(lcd);
return ret;
struct ld9040 *lcd = dev_get_drvdata(&spi->dev);
ld9040_power(lcd, FB_BLANK_POWERDOWN);
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);
lcd_device_unregister(lcd->ld);
kfree(lcd);