diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c index 1b8f428accae..c509d40c4897 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c @@ -171,8 +171,6 @@ int vmw_present_ioctl(struct drm_device *dev, void *data, ret = -EINVAL; goto out_no_fb; } - /* fb is protect by the mode_config lock, so drop the ref immediately */ - drm_framebuffer_unreference(fb); vfb = vmw_framebuffer_to_vfb(fb); ret = ttm_read_lock(&vmaster->lock, true); @@ -197,6 +195,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data, out_no_surface: ttm_read_unlock(&vmaster->lock); out_no_ttm_lock: + drm_framebuffer_unreference(fb); out_no_fb: drm_modeset_unlock_all(dev); out_no_copy: @@ -256,14 +255,12 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data, ret = -EINVAL; goto out_no_fb; } - /* fb is protect by the mode_config lock, so drop the ref immediately */ - drm_framebuffer_unreference(fb); vfb = vmw_framebuffer_to_vfb(fb); if (!vfb->dmabuf) { DRM_ERROR("Framebuffer not dmabuf backed.\n"); ret = -EINVAL; - goto out_no_fb; + goto out_no_ttm_lock; } ret = ttm_read_lock(&vmaster->lock, true); @@ -276,6 +273,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data, ttm_read_unlock(&vmaster->lock); out_no_ttm_lock: + drm_framebuffer_unreference(fb); out_no_fb: drm_modeset_unlock_all(dev); out_no_copy: