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drivers/video/backlight/ld9040.c: small fixes
- 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>
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1 changed files with 6 additions and 3 deletions
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@ -701,9 +701,9 @@ static int ld9040_probe(struct spi_device *spi)
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bd = backlight_device_register("ld9040-bl", &spi->dev,
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lcd, &ld9040_backlight_ops, NULL);
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if (IS_ERR(ld)) {
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ret = PTR_ERR(ld);
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goto out_free_lcd;
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if (IS_ERR(bd)) {
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ret = PTR_ERR(bd);
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goto out_unregister_lcd;
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}
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bd->props.max_brightness = MAX_BRIGHTNESS;
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@ -731,6 +731,8 @@ static int ld9040_probe(struct spi_device *spi)
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dev_info(&spi->dev, "ld9040 panel driver has been probed.\n");
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return 0;
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out_unregister_lcd:
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lcd_device_unregister(lcd->ld);
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out_free_lcd:
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kfree(lcd);
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return ret;
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@ -741,6 +743,7 @@ static int __devexit ld9040_remove(struct spi_device *spi)
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struct ld9040 *lcd = dev_get_drvdata(&spi->dev);
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ld9040_power(lcd, FB_BLANK_POWERDOWN);
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backlight_device_unregister(lcd->bd);
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lcd_device_unregister(lcd->ld);
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kfree(lcd);
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