On Sun, Oct 01, 2023 at 05:00:05PM +0100, Lorenzo Stoakes wrote: > get_user_pages_remote() will never return 0 except in the case of > FOLL_NOWAIT being specified, which we explicitly disallow. > > This simplifies error handling for the caller and avoids the awkwardness of > dealing with both errors and failing to pin. Failing to pin here is an > error. > > Suggested-by: Arnd Bergmann <arnd@xxxxxxxx> > Signed-off-by: Lorenzo Stoakes <lstoakes@xxxxxxxxx> > --- > arch/arm64/kernel/mte.c | 4 ++-- > include/linux/mm.h | 16 +++++++++++++--- > kernel/events/uprobes.c | 4 ++-- > mm/memory.c | 3 +-- > 4 files changed, 18 insertions(+), 9 deletions(-) Good riddance to IS_ERR_OR_NULL Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason
