diff options
| author | Lorenzo Stoakes | 2016-10-13 01:20:16 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2016-10-19 08:11:43 -0700 |
| commit | 768ae309a96103ed02eb1e111e838c87854d8b51 (patch) | |
| tree | 59f9070c68cc87d37e5edf6439b5074a96f5d3dd /drivers/rapidio/devices | |
| parent | 7f23b3504a0df63b724180262c5f3f117f21bcae (diff) | |
mm: replace get_user_pages() write/force parameters with gup_flags
This removes the 'write' and 'force' from get_user_pages() and replaces
them with 'gup_flags' to make the use of FOLL_FORCE explicit in callers
as use of this flag can result in surprising behaviour (and hence bugs)
within the mm subsystem.
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rapidio/devices')
| -rw-r--r-- | drivers/rapidio/devices/rio_mport_cdev.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index 436dfe871d32..9013a585507e 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -892,7 +892,8 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, down_read(¤t->mm->mmap_sem); pinned = get_user_pages( (unsigned long)xfer->loc_addr & PAGE_MASK, - nr_pages, dir == DMA_FROM_DEVICE, 0, + nr_pages, + dir == DMA_FROM_DEVICE ? FOLL_WRITE : 0, page_list, NULL); up_read(¤t->mm->mmap_sem); |