Re: [PATCH} fix defect with kobject memory leaks during del_gendisk

[Christoph Hellwig]

On Wed, Sep 24, 2003 at 04:02:06PM -0700, Steven Dake wrote:
> Unfortunately it appears that del_gendisk uses kobject_del to delete the
> kobject.  If the kobject has a ktype release function, it is not called
> in the kobject_del call path, but only in kobject_unregister.

That's intentional.  gendisks (like everything using kobjects) are
reference counted and ->release is unly called after the last reference
goes away, for gendisks that would be the last put_disk call.

Unless you miss the put_disk call (which md certainly has) there's
no memeory leak.
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