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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 /arch/cris/arch-v32/drivers/cryptocop.c
parent7f23b3504a0df63b724180262c5f3f117f21bcae (diff)
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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 'arch/cris/arch-v32/drivers/cryptocop.c')
-rw-r--r--arch/cris/arch-v32/drivers/cryptocop.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c
index b5698c876fcc..099e170a93ee 100644
--- a/arch/cris/arch-v32/drivers/cryptocop.c
+++ b/arch/cris/arch-v32/drivers/cryptocop.c
@@ -2722,7 +2722,6 @@ static int cryptocop_ioctl_process(struct inode *inode, struct file *filp, unsig
err = get_user_pages((unsigned long int)(oper.indata + prev_ix),
noinpages,
0, /* read access only for in data */
- 0, /* no force */
inpages,
NULL);
@@ -2736,8 +2735,7 @@ static int cryptocop_ioctl_process(struct inode *inode, struct file *filp, unsig
if (oper.do_cipher){
err = get_user_pages((unsigned long int)oper.cipher_outdata,
nooutpages,
- 1, /* write access for out data */
- 0, /* no force */
+ FOLL_WRITE, /* write access for out data */
outpages,
NULL);
up_read(&current->mm->mmap_sem);