Re: [PATCH 0/1] debugfs: debugfs_remove_recursive() must not relyon list_empty(d_subdirs)

[Oleg Nesterov]

Argh, sorry for noise.

Please ignore the extra email with the wrong subject.

On 07/26, Oleg Nesterov wrote:
>
> debugfs_remove_recursive() is wrong,
> 
> 1. it wrongly assumes that !list_empty(d_subdirs) means that this
>    dir should be removed.
> 
>    This is not that bad by itself, but:
> 
> 2. if d_subdirs does not becomes empty after __debugfs_remove()
>    it gives up and silently fails, it doesn't even try to remove
>    other entries.
> 
>    However ->d_subdirs can be non-empty because it still has the
>    already deleted !debugfs_positive() entries.
> 

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