1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/char/drm/drm_ioc32.c b/drivers/char/drm/drm_ioc32.c
index 2286f3312c5c..90f5a8d9bdcb 100644
--- a/drivers/char/drm/drm_ioc32.c
+++ b/drivers/char/drm/drm_ioc32.c
@@ -1051,8 +1051,12 @@ long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
         drm_ioctl_compat_t *fn;
         int ret;
 
+        /* Assume that ioctls without an explicit compat routine will just
+         * work.  This may not always be a good assumption, but it's better
+         * than always failing.
+         */
         if (nr >= ARRAY_SIZE(drm_compat_ioctls))
-                return -ENOTTY;
+                return drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
 
         fn = drm_compat_ioctls[nr];