diff options
author | Sachin Kamat <sachin.kamat@linaro.org> | 2012-11-20 07:46:50 +0100 |
---|---|---|
committer | MyungJoo Ham <myungjoo.ham@samsung.com> | 2012-11-21 12:01:17 +0100 |
commit | f4bb5cb54eb97fee9b4e076df8df68b91861b934 (patch) | |
tree | 77c7ce016ce2a5673329813665165da2cb55b37b /drivers/extcon | |
parent | extcon: max8997: Use devm_kzalloc (diff) | |
download | linux-f4bb5cb54eb97fee9b4e076df8df68b91861b934.tar.xz linux-f4bb5cb54eb97fee9b4e076df8df68b91861b934.zip |
extcon: max77693: Use devm_kzalloc
devm_kzalloc() is a device managed function. It makes error handling
and cleanup code a bit simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Diffstat (limited to 'drivers/extcon')
-rw-r--r-- | drivers/extcon/extcon-max77693.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c index d844be3009f6..93ca93f26f4f 100644 --- a/drivers/extcon/extcon-max77693.c +++ b/drivers/extcon/extcon-max77693.c @@ -657,11 +657,11 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) int ret, i; u8 id; - info = kzalloc(sizeof(struct max77693_muic_info), GFP_KERNEL); + info = devm_kzalloc(&pdev->dev, sizeof(struct max77693_muic_info), + GFP_KERNEL); if (!info) { dev_err(&pdev->dev, "failed to allocate memory\n"); - ret = -ENOMEM; - goto err_kfree; + return -ENOMEM; } info->dev = &pdev->dev; info->max77693 = max77693; @@ -672,10 +672,9 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) info->max77693->muic, &max77693_muic_regmap_config); if (IS_ERR(info->max77693->regmap_muic)) { - ret = PTR_ERR(info->max77693->regmap_muic); dev_err(max77693->dev, "failed to allocate register map: %d\n", ret); - goto err_regmap; + return PTR_ERR(info->max77693->regmap_muic); } } platform_set_drvdata(pdev, info); @@ -709,7 +708,8 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) } /* Initialize extcon device */ - info->edev = kzalloc(sizeof(struct extcon_dev), GFP_KERNEL); + info->edev = devm_kzalloc(&pdev->dev, sizeof(struct extcon_dev), + GFP_KERNEL); if (!info->edev) { dev_err(&pdev->dev, "failed to allocate memory for extcon\n"); ret = -ENOMEM; @@ -720,7 +720,7 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) ret = extcon_dev_register(info->edev, NULL); if (ret) { dev_err(&pdev->dev, "failed to register extcon device\n"); - goto err_extcon; + goto err_irq; } /* Initialize MUIC register by using platform data */ @@ -753,7 +753,7 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) MAX77693_MUIC_REG_ID, &id); if (ret < 0) { dev_err(&pdev->dev, "failed to read revision number\n"); - goto err_extcon; + goto err_irq; } dev_info(info->dev, "device ID : 0x%x\n", id); @@ -765,14 +765,9 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) return ret; -err_extcon: - kfree(info->edev); err_irq: while (--i >= 0) free_irq(muic_irqs[i].virq, info); -err_regmap: - kfree(info); -err_kfree: return ret; } @@ -785,8 +780,6 @@ static int __devexit max77693_muic_remove(struct platform_device *pdev) free_irq(muic_irqs[i].virq, info); cancel_work_sync(&info->irq_work); extcon_dev_unregister(info->edev); - kfree(info->edev); - kfree(info); return 0; } |