On Tue, Jun 28, 2011 at 4:46 PM, Ohad Ben-Cohen <ohad@xxxxxxxxxx> wrote:
> Hi Grant,
>
> On Tue, Jun 28, 2011 at 1:21 AM, Grant Likely <grant.likely@xxxxxxxxxxxx> wrote:
>>> +static int rpmsg_remove_device(struct device *dev, void *data)
>>> +{
>>> + struct rpmsg_channel *rpdev = to_rpmsg_channel(dev);
>>> +
>>> + device_unregister(dev);
>>> +
>>> + kfree(rpdev);
>>
>> put_device() I think.
>
> Don't think so, we get the device handle from device_for_each_child
> here, which doesn't call get_device (unlike device_find_child).
It's not the device_for_each_child() that you're 'putting' back from
here. Its the original kref initialization when the device was
created. Once a device is initialized, it must never be directly
kfree()'d.
g.
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