Messages in this thread Patch in this message | | | From | Bryan Wu <> | Subject | [PATCH 13/25] leds: convert Sun Fire LED driver to devm_kzalloc() and cleanup error exit path | Date | Wed, 4 Jul 2012 13:10:05 +0800 |
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Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Bryan Wu <bryan.wu@canonical.com> --- drivers/leds/leds-sunfire.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-)
diff --git a/drivers/leds/leds-sunfire.c b/drivers/leds/leds-sunfire.c index 1757396..134d9a4 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; } -- 1.7.10.4
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