[PATCH v2] leds: leds-fsg: Use devm_led_classdev_register

From: Vaishali Thakkar
Date: Tue Aug 18 2015 - 10:20:28 EST


Use resource-managed function devm_led_classdev_register instead
of led_classdev_register to make the error-path simpler.

To be compatible with the change, various gotos are replced with
direct returns and unneeded labels are dropped. Also, remove
fsg_led_remove as it is now redundant.

Signed-off-by: Vaishali Thakkar <vthakkar1994@xxxxxxxxx>
---
Changes since v1:
- Fix build errors
---
drivers/leds/leds-fsg.c | 52 ++++++++++++-------------------------------------
1 file changed, 12 insertions(+), 40 deletions(-)

diff --git a/drivers/leds/leds-fsg.c b/drivers/leds/leds-fsg.c
index 2b4dc73..257a813 100644
--- a/drivers/leds/leds-fsg.c
+++ b/drivers/leds/leds-fsg.c
@@ -156,63 +156,35 @@ static int fsg_led_probe(struct platform_device *pdev)
latch_value = 0xffff;
*latch_address = latch_value;

- ret = led_classdev_register(&pdev->dev, &fsg_wlan_led);
+ ret = devm_led_classdev_register(&pdev->dev, &fsg_wlan_led);
if (ret < 0)
- goto failwlan;
+ return ret;

- ret = led_classdev_register(&pdev->dev, &fsg_wan_led);
+ ret = devm_led_classdev_register(&pdev->dev, &fsg_wan_led);
if (ret < 0)
- goto failwan;
+ return ret;

- ret = led_classdev_register(&pdev->dev, &fsg_sata_led);
+ ret = devm_led_classdev_register(&pdev->dev, &fsg_sata_led);
if (ret < 0)
- goto failsata;
+ return ret;

- ret = led_classdev_register(&pdev->dev, &fsg_usb_led);
+ ret = devm_led_classdev_register(&pdev->dev, &fsg_usb_led);
if (ret < 0)
- goto failusb;
+ return ret;

- ret = led_classdev_register(&pdev->dev, &fsg_sync_led);
+ ret = devm_led_classdev_register(&pdev->dev, &fsg_sync_led);
if (ret < 0)
- goto failsync;
+ return ret;

- ret = led_classdev_register(&pdev->dev, &fsg_ring_led);
+ ret = devm_led_classdev_register(&pdev->dev, &fsg_ring_led);
if (ret < 0)
- goto failring;
-
- return ret;
-
- failring:
- led_classdev_unregister(&fsg_sync_led);
- failsync:
- led_classdev_unregister(&fsg_usb_led);
- failusb:
- led_classdev_unregister(&fsg_sata_led);
- failsata:
- led_classdev_unregister(&fsg_wan_led);
- failwan:
- led_classdev_unregister(&fsg_wlan_led);
- failwlan:
+ return ret;

return ret;
}

-static int fsg_led_remove(struct platform_device *pdev)
-{
- led_classdev_unregister(&fsg_wlan_led);
- led_classdev_unregister(&fsg_wan_led);
- led_classdev_unregister(&fsg_sata_led);
- led_classdev_unregister(&fsg_usb_led);
- led_classdev_unregister(&fsg_sync_led);
- led_classdev_unregister(&fsg_ring_led);
-
- return 0;
-}
-
-
static struct platform_driver fsg_led_driver = {
.probe = fsg_led_probe,
- .remove = fsg_led_remove,
.driver = {
.name = "fsg-led",
},
--
1.9.1

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