On Mon, 8 Oct 2018 14:16:21 -0700 john.hubbard@xxxxxxxxx wrote: > 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. Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> `i' is a pretty crappy identifier as well, but we'll live.
