drm/vgem: add compat_ioctl support

DRM drivers should supply a compat version if they're going to provide
an ioctl implementation at all. This can confuse 32-bit user space on a
64-bit system.

Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170715031212.108695-1-briannorris@chromium.org

diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index c938af8..1228967 100644 (file)
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -278,6 +278,7 @@ static const struct file_operations vgem_driver_fops = {
        .poll           = drm_poll,
        .read           = drm_read,
        .unlocked_ioctl = drm_ioctl,
+       .compat_ioctl   = drm_compat_ioctl,
        .release        = drm_release,
 };