summaryrefslogtreecommitdiff
path: root/drivers/scsi/st.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2015-02-24 08:41:07 +0100
committerIngo Molnar <mingo@kernel.org>2015-02-24 08:41:07 +0100
commit2ae79026818e7d49fead82b79b1a543e3b9c8a23 (patch)
treec7ee7bd8b37b0880918d361839fd95988fac2dac /drivers/scsi/st.c
parent1a99367023f6ac664365a37fa508b059e31d0e88 (diff)
parentc517d838eb7d07bbe9507871fab3931deccff539 (diff)
Merge tag 'v4.0-rc1' into locking/core, to refresh the tree before merging new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/scsi/st.c')
-rw-r--r--drivers/scsi/st.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 128d3b55bdd9..9a1c34205254 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4551,18 +4551,15 @@ static int sgl_map_user_pages(struct st_buffer *STbp,
return -ENOMEM;
/* Try to fault in all of the necessary pages */
- down_read(&current->mm->mmap_sem);
/* rw==READ means read from drive, write into memory area */
- res = get_user_pages(
+ res = get_user_pages_unlocked(
current,
current->mm,
uaddr,
nr_pages,
rw == READ,
0, /* don't force */
- pages,
- NULL);
- up_read(&current->mm->mmap_sem);
+ pages);
/* Errors and no page mapped should return here */
if (res < nr_pages)