diff options
Diffstat (limited to 'drivers/gpu/drm/drm_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/drm_encoder.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_encoder.c b/drivers/gpu/drm/drm_encoder.c index 59e0ebe733f8..273e1c59c54a 100644 --- a/drivers/gpu/drm/drm_encoder.c +++ b/drivers/gpu/drm/drm_encoder.c @@ -110,6 +110,10 @@ int drm_encoder_init(struct drm_device *dev, { int ret; + /* encoder index is used with 32bit bitmasks */ + if (WARN_ON(dev->mode_config.num_encoder >= 32)) + return -EINVAL; + ret = drm_mode_object_add(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); if (ret) return ret; |