leds: Use devm_kzalloc in leds-regulator.c file
devm_kzalloc() makes cleanup simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
diff --git a/drivers/leds/leds-regulator.c b/drivers/leds/leds-regulator.c
index df7e963..25d382d 100644
--- a/drivers/leds/leds-regulator.c
+++ b/drivers/leds/leds-regulator.c
@@ -158,7 +158,7 @@
return PTR_ERR(vcc);
}
- led = kzalloc(sizeof(*led), GFP_KERNEL);
+ led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
if (led == NULL) {
ret = -ENOMEM;
goto err_vcc;
@@ -169,7 +169,7 @@
dev_err(&pdev->dev, "Invalid default brightness %d\n",
pdata->brightness);
ret = -EINVAL;
- goto err_led;
+ goto err_vcc;
}
led->value = pdata->brightness;
@@ -190,7 +190,7 @@
ret = led_classdev_register(&pdev->dev, &led->cdev);
if (ret < 0) {
cancel_work_sync(&led->work);
- goto err_led;
+ goto err_vcc;
}
/* to expose the default value to userspace */
@@ -201,8 +201,6 @@
return 0;
-err_led:
- kfree(led);
err_vcc:
regulator_put(vcc);
return ret;
@@ -216,7 +214,6 @@
cancel_work_sync(&led->work);
regulator_led_disable(led);
regulator_put(led->vcc);
- kfree(led);
return 0;
}