> On Wed, May 04, 2011 at 07:26:44PM +0530, Vikram Narayanan wrote:
>> The kernel doc (kobject.txt) says that
>>
>> "No structure should EVER have more than one kobject embedded within it.
>> If it does, the reference counting for the object is sure to be messed
>> up and incorrect, and your code will be buggy. So do not do this. "
>>
>> But in the file drivers/uio/uio.c, a structure has two such kobjects.
>>
>> struct uio_device {
>> struct module *owner;
>> struct device *dev;
>> int minor;
>> atomic_t event;
>> struct fasync_struct *async_queue;
>> wait_queue_head_t wait;
>> int vma_count;
>> struct uio_info *info;
>> struct kobject *map_dir;
>> struct kobject *portio_dir;
>> };
>>
>> So, What is the exception for this structure? Is this right? If yes,
>> can someone explain why it is right, and where should we use it?
>
> There are not more than one kobject _IN_ the structure. It merely
> has pointers to more than one kobject (three actually), which is fine to
> do.
Thanks for the clarification. Think I have to go for an eye checkup ;)
Thanks,
Vikram
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