Re: [PATCH v2 1/6] mm: get_user_pages: consolidate error handling

John Hubbard
2018-07-02T21:34:48Z

On 07/02/2018 03:17 AM, Jan Kara wrote:
> On Sun 01-07-18 17:56:49, john.hubbard@gmail.com wrote:
>> From: John Hubbard <jhubbard@nvidia.com>
>>
>> An upcoming patch requires a way to operate on each page that
>> any of the get_user_pages_*() variants returns.
>>
>> In preparation for that, consolidate the error handling for
>> __get_user_pages(). This provides a single location (the "out:" label)
>> for operating on the collected set of pages that are about to be returned.
>>
>> As long every use of the "ret" variable is being edited, rename
>> "ret" --> "err", so that its name matches its true role.
>> This also gets rid of two shadowed variable declarations, as a
>> tiny beneficial a side effect.
>>
>> Signed-off-by: John Hubbard <jhubbard@nvidia.com>
>
> This looks nice! You can add:
>
> Reviewed-by: Jan Kara <jack@suse.cz>
>

Great, thanks for the review!

--
John Hubbard
NVIDIA