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authorLorenzo Stoakes <lstoakes@gmail.com>2016-10-13 01:20:13 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-18 14:13:37 -0700
commitc164154f66f0c9b02673f07aa4f044f1d9c70274 (patch)
treefdfdc521c7cadcbbd8b4bb6bd85e8b17c13fcb13 /drivers/scsi/st.c
parentd4944b0ecec0af882483fe44b66729316e575208 (diff)
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mm: replace get_user_pages_unlocked() write/force parameters with gup_flags
This removes the 'write' and 'force' use from get_user_pages_unlocked() 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> Reviewed-by: Jan Kara <jack@suse.cz> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/scsi/st.c')
-rw-r--r--drivers/scsi/st.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 7af5226aa55b..618422ea3a41 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4922,9 +4922,8 @@ static int sgl_map_user_pages(struct st_buffer *STbp,
res = get_user_pages_unlocked(
uaddr,
nr_pages,
- rw == READ,
- 0, /* don't force */
- pages);
+ pages,
+ rw == READ ? FOLL_WRITE : 0); /* don't force */
/* Errors and no page mapped should return here */
if (res < nr_pages)