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authorLorenzo Stoakes <lstoakes@gmail.com>2016-10-13 01:20:16 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-19 08:11:43 -0700
commit768ae309a96103ed02eb1e111e838c87854d8b51 (patch)
tree59f9070c68cc87d37e5edf6439b5074a96f5d3dd /drivers/gpu/drm/via
parent7f23b3504a0df63b724180262c5f3f117f21bcae (diff)
downloadlinux-768ae309a96103ed02eb1e111e838c87854d8b51.tar.bz2
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/gpu/drm/via')
-rw-r--r--drivers/gpu/drm/via/via_dmablit.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c
index 7e2a12c4fed2..1a3ad769f8c8 100644
--- a/drivers/gpu/drm/via/via_dmablit.c
+++ b/drivers/gpu/drm/via/via_dmablit.c
@@ -241,8 +241,8 @@ via_lock_all_dma_pages(drm_via_sg_info_t *vsg, drm_via_dmablit_t *xfer)
down_read(&current->mm->mmap_sem);
ret = get_user_pages((unsigned long)xfer->mem_addr,
vsg->num_pages,
- (vsg->direction == DMA_FROM_DEVICE),
- 0, vsg->pages, NULL);
+ (vsg->direction == DMA_FROM_DEVICE) ? FOLL_WRITE : 0,
+ vsg->pages, NULL);
up_read(&current->mm->mmap_sem);
if (ret != vsg->num_pages) {