Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6

[linux-drm-fsl-dcu.git] / drivers / char / drm / drm_drv.c

diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c
index f5b9b2480c149a9d62641f7dcd4ccc0c2d56db1a..8e77b7ed0f44bf2fcd860c08d7862bd821660ed0 100644 (file)
--- a/drivers/char/drm/drm_drv.c
+++ b/drivers/char/drm/drm_drv.c
@@ -15,8 +15,6 @@
  * #define DRIVER_DESC         "Matrox G200/G400"
  * #define DRIVER_DATE         "20001127"
  *
- * #define DRIVER_IOCTL_COUNT  DRM_ARRAY_SIZE( mga_ioctls )
- *
  * #define drm_x               mga_##x
  * \endcode
  */
@@ -120,7 +118,7 @@ static drm_ioctl_desc_t drm_ioctls[] = {
        [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = {drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
 };
 
-#define DRIVER_IOCTL_COUNT     ARRAY_SIZE( drm_ioctls )
+#define DRM_CORE_IOCTL_COUNT   ARRAY_SIZE( drm_ioctls )
 
 /**
  * Take down the DRM device.
@@ -496,11 +494,14 @@ int drm_ioctl(struct inode *inode, struct file *filp,
                  (long)old_encode_dev(priv->head->device),
                  priv->authenticated);
 
-       if (nr < DRIVER_IOCTL_COUNT)
-               ioctl = &drm_ioctls[nr];
-       else if ((nr >= DRM_COMMAND_BASE)
-                && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
+       if ((nr >= DRM_CORE_IOCTL_COUNT) &&
+           ((nr < DRM_COMMAND_BASE) || (nr >= DRM_COMMAND_END)))
+               goto err_i1;
+       if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END) &&
+           (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
                ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
+       else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE))
+               ioctl = &drm_ioctls[nr];
        else
                goto err_i1;