# \[PATCH v2 18/34\] fbdev/pvr2fb: convert put\_page() to put\_user\_page\*()

- From: \<hidden\>
- Date: 2019-08-04 22:53:27 
- List: netdev
- Page: https://ratatoskr.run/netdev/2019/08/160394
- Thread: https://ratatoskr.run/amd-gfx/2019/08/160378/t.md

```text
From: John Hubbard <jhubbard@nvidia.com>

For pages that were retained via get_user_pages*(), release those pages
via the new put_user_page*() routines, instead of via put_page() or
release_pages().

This is part a tree-wide conversion, as described in commit fc1d8e7cca2d
("mm: introduce put_user_page*(), placeholder versions").

Cc: Bartlomiej Zolnierkiewicz <redacted>
Cc: Kees Cook <redacted>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Bhumika Goyal <redacted>
Cc: Arvind Yadav <redacted>
Cc: <redacted>
Cc: <redacted>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
---
 drivers/video/fbdev/pvr2fb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c
index 7ff4b6b84282..0e4f9aa6444d 100644
--- a/drivers/video/fbdev/pvr2fb.c
+++ b/drivers/video/fbdev/pvr2fb.c
@@ -700,8 +700,7 @@ static ssize_t pvr2fb_write(struct fb_info *info, const char *buf,
 	ret = count;
 
 out_unmap:
-	for (i = 0; i < nr_pages; i++)
-		put_page(pages[i]);
+	put_user_pages(pages, nr_pages);
 
 	kfree(pages);
 
-- 
2.22.0

```