diff options
| author | Bryan Wu <bryan.wu@canonical.com> | 2012-07-04 12:04:48 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@canonical.com> | 2012-07-24 07:52:39 +0800 |
| commit | 234699a8f3228754fa4c0dfe90170c8a043fedab (patch) | |
| tree | a1bca2fd48a75468127ce4b3ff2e2ac8eb09538f | |
| parent | 0f4630c90b2c00dfb005d239d8926ec310fd560a (diff) | |
leds: convert Sun Fire LED driver to devm_kzalloc() and cleanup error exit path
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
| -rw-r--r-- | drivers/leds/leds-sunfire.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/drivers/leds/leds-sunfire.c b/drivers/leds/leds-sunfire.c index 1757396b20b3..134d9a4b34f1 100644 --- a/drivers/leds/leds-sunfire.c +++ b/drivers/leds/leds-sunfire.c @@ -132,15 +132,13 @@ static int __devinit sunfire_led_generic_probe(struct platform_device *pdev, if (pdev->num_resources != 1) { printk(KERN_ERR PFX "Wrong number of resources %d, should be 1\n", pdev->num_resources); - err = -EINVAL; - goto out; + return -EINVAL; } - p = kzalloc(sizeof(*p), GFP_KERNEL); + p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL); if (!p) { printk(KERN_ERR PFX "Could not allocate struct sunfire_drvdata\n"); - err = -ENOMEM; - goto out; + return -ENOMEM; } for (i = 0; i < NUM_LEDS_PER_BOARD; i++) { @@ -156,20 +154,15 @@ static int __devinit sunfire_led_generic_probe(struct platform_device *pdev, if (err) { printk(KERN_ERR PFX "Could not register %s LED\n", lp->name); - goto out_unregister_led_cdevs; + for (i--; i >= 0; i--) + led_classdev_unregister(&p->leds[i].led_cdev); + return err; } } dev_set_drvdata(&pdev->dev, p); return 0; - -out_unregister_led_cdevs: - for (i--; i >= 0; i--) - led_classdev_unregister(&p->leds[i].led_cdev); - kfree(p); -out: - return err; } static int __devexit sunfire_led_generic_remove(struct platform_device *pdev) @@ -180,8 +173,6 @@ static int __devexit sunfire_led_generic_remove(struct platform_device *pdev) for (i = 0; i < NUM_LEDS_PER_BOARD; i++) led_classdev_unregister(&p->leds[i].led_cdev); - kfree(p); - return 0; } |