vfb: use fb_sys_read() and fb_sys_write()

Since vfb's framebuffer is vmalloc'ed, use the fb_sys_read() and
fb_sys_write().

Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 3 insertions, 0 deletions

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 5e3492c65ccb..75ec7d155da9 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1743,6 +1743,7 @@ config FB_VIRTUAL
         select FB_SYS_FILLRECT
         select FB_SYS_COPYAREA
         select FB_SYS_IMAGEBLIT
+        select FB_SYS_FOPS
         ---help---
           This is a `virtual' frame buffer device. It operates on a chunk of
           unswappable kernel memory instead of on the memory of a graphics
diff --git a/drivers/video/vfb.c b/drivers/video/vfb.c
index 1293c2072d2a..64ee78c3c12b 100644
--- a/drivers/video/vfb.c
+++ b/drivers/video/vfb.c
@@ -84,6 +84,8 @@ static int vfb_mmap(struct fb_info *info,
                     struct vm_area_struct *vma);
 
 static struct fb_ops vfb_ops = {
+        .fb_read        = fb_sys_read,
+        .fb_write       = fb_sys_write,
         .fb_check_var   = vfb_check_var,
         .fb_set_par     = vfb_set_par,
         .fb_setcolreg   = vfb_setcolreg,