backlight: cr_bllcd: use devm_{backlight,lcd}_device_register()

Use devm_backlight_device_register() and devm_lcd_device_register() to
make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
index 37bae80..f3fed9e 100644 (file)
--- a/drivers/video/backlight/cr_bllcd.c
+++ b/drivers/video/backlight/cr_bllcd.c
@@ -195,16 +195,17 @@ static int cr_backlight_probe(struct platform_device *pdev)
 
        memset(&props, 0, sizeof(struct backlight_properties));
        props.type = BACKLIGHT_RAW;
-       bdp = backlight_device_register("cr-backlight", &pdev->dev, NULL,
-                                       &cr_backlight_ops, &props);
+       bdp = devm_backlight_device_register(&pdev->dev, "cr-backlight",
+                                       &pdev->dev, NULL, &cr_backlight_ops,
+                                       &props);
        if (IS_ERR(bdp)) {
                pci_dev_put(lpc_dev);
                return PTR_ERR(bdp);
        }
 
-       ldp = lcd_device_register("cr-lcd", &pdev->dev, NULL, &cr_lcd_ops);
+       ldp = devm_lcd_device_register(&pdev->dev, "cr-lcd", &pdev->dev, NULL,
+                                       &cr_lcd_ops);
        if (IS_ERR(ldp)) {
-               backlight_device_unregister(bdp);
                pci_dev_put(lpc_dev);
                return PTR_ERR(ldp);
        }
@@ -215,8 +216,6 @@ static int cr_backlight_probe(struct platform_device *pdev)
 
        crp = devm_kzalloc(&pdev->dev, sizeof(*crp), GFP_KERNEL);
        if (!crp) {
-               lcd_device_unregister(ldp);
-               backlight_device_unregister(bdp);
                pci_dev_put(lpc_dev);
                return -ENOMEM;
        }
@@ -241,8 +240,6 @@ static int cr_backlight_remove(struct platform_device *pdev)
        crp->cr_backlight_device->props.max_brightness = 0;
        cr_backlight_set_intensity(crp->cr_backlight_device);
        cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_POWERDOWN);
-       backlight_device_unregister(crp->cr_backlight_device);
-       lcd_device_unregister(crp->cr_lcd_device);
        pci_dev_put(lpc_dev);
 
        return 0;