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Subject[PATCH] ARM: locomo: use put_device() instead of kfree()
Date
Never directly free @dev after calling device_register(), even
if it returned an error. Always use put_device() to give up the
reference initialized.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
arch/arm/common/locomo.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 51936bd..23a5079 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -226,8 +226,7 @@ locomo_init_one_child(struct locomo *lchip, struct locomo_dev_info *info)

dev = kzalloc(sizeof(struct locomo_dev), GFP_KERNEL);
if (!dev) {
- ret = -ENOMEM;
- goto out;
+ return -ENOMEM;
}

/*
@@ -256,10 +255,9 @@ locomo_init_one_child(struct locomo *lchip, struct locomo_dev_info *info)
NO_IRQ : lchip->irq_base + info->irq[0];

ret = device_register(&dev->dev);
- if (ret) {
- out:
- kfree(dev);
- }
+ if (ret)
+ put_device(&dev->dev);
+
return ret;
}

--
2.7.4
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