backlight: ltv350qv: use devm_ functions (ab03e047) · Commits · 戴 / test

drivers/video/backlight/ltv350qv.c

+7 −16

Original line number	Diff line number	Diff line
		@@ -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, &ltv_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;
		}