drm_noop really doesnt do much, and who cares about the permission checks. So let's delete some code.
Signed-off-by: Daniel Vetter daniel.vetter@intel.com --- drivers/gpu/drm/drm_ioc32.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index dc734d4828a1..33390f02f5eb 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -302,12 +302,8 @@ static int compat_drm_getstats(struct file *file, unsigned int cmd, unsigned long arg) { drm_stats32_t __user *argp = (void __user *)arg; - int err; - - err = drm_ioctl_kernel(file, drm_noop, NULL, 0); - if (err) - return err;
+ /* getstats is defunct, just clear */ if (clear_user(argp, sizeof(drm_stats32_t))) return -EFAULT; return 0; @@ -820,13 +816,8 @@ typedef struct drm_update_draw32 { static int compat_drm_update_draw(struct file *file, unsigned int cmd, unsigned long arg) { - drm_update_draw32_t update32; - - if (copy_from_user(&update32, (void __user *)arg, sizeof(update32))) - return -EFAULT; - - return drm_ioctl_kernel(file, drm_noop, NULL, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); + /* update_draw is defunct */ + return 0; } #endif