On 8/7/19 3:33 AM, john.hubb...@gmail.com wrote:
> From: John Hubbard <jhubb...@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 <b.zolnier...@samsung.com>
> Cc: Kees Cook <keesc...@chromium.org>
> Cc: Al Viro <v...@zeniv.linux.org.uk>
> Cc: Bhumika Goyal <bhumi...@gmail.com>
> Cc: Arvind Yadav <arvind.yadav...@gmail.com>
> Cc: dri-de...@lists.freedesktop.org
> Cc: linux-fb...@vger.kernel.org
> Signed-off-by: John Hubbard <jhubb...@nvidia.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com>
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
> ---
> 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);
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