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-rw-r--r--drivers/char/drm/drm_ioc32.c6
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];