On Thu, Oct 11, 2018 at 11:00:09PM -0700, john.hubbard@xxxxxxxxx wrote: > From: John Hubbard <jhubbard@xxxxxxxxxx> > > 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: Jan Kara <jack@xxxxxxx> > Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx> > --- Looks good, might not be needed but Reviewed-by: Balbir Singh <bsingharora@xxxxxxxxx>