CC: Greg Kroah-Hartman <[email protected]>
CC: Mark Allyn <[email protected]>
CC: Jayant Mangalampalli <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
---
drivers/staging/sep/sep_main.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/sep/sep_main.c b/drivers/staging/sep/sep_main.c
index 6a98a208bbf2..11f5b2117457 100644
--- a/drivers/staging/sep/sep_main.c
+++ b/drivers/staging/sep/sep_main.c
@@ -1263,13 +1263,8 @@ static int sep_lock_user_pages(struct sep_device *sep,
}
/* Convert the application virtual address into a set of physical */
- down_read(¤t->mm->mmap_sem);
- result = get_user_pages(current, current->mm, app_virt_addr,
- num_pages,
- ((in_out_flag == SEP_DRIVER_IN_FLAG) ? 0 : 1),
- 0, page_array, NULL);
-
- up_read(¤t->mm->mmap_sem);
+ result = get_user_pages_fast(app_virt_addr, num_pages,
+ ((in_out_flag == SEP_DRIVER_IN_FLAG) ? 0 : 1), page_array);
/* Check the number of pages locked - if not all then exit with error */
if (result != num_pages) {
--
1.8.1.4
--
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