| Message ID | 20190807013340.9706-21-jhubbard@nvidia.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | put_user_pages(): miscellaneous call sites | expand |
On 8/7/19 3:33 AM, john.hubbard@gmail.com wrote: > 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 <b.zolnierkie@samsung.com> > Cc: Kees Cook <keescook@chromium.org> > Cc: Al Viro <viro@zeniv.linux.org.uk> > Cc: Bhumika Goyal <bhumirks@gmail.com> > Cc: Arvind Yadav <arvind.yadav.cs@gmail.com> > Cc: dri-devel@lists.freedesktop.org > Cc: linux-fbdev@vger.kernel.org > Signed-off-by: John Hubbard <jhubbard@nvidia.com> Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@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);
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);