diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 87c6e6156d7d..cceeb42789b6 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -720,6 +720,8 @@ static int vmw_surface_dmabuf_pin(struct vmw_framebuffer *vfb) &vmw_vram_ne_placement, false, &vmw_dmabuf_bo_free); vmw_overlay_resume_all(dev_priv); + if (unlikely(ret != 0)) + vfbs->buffer = NULL; return ret; } @@ -730,6 +732,9 @@ static int vmw_surface_dmabuf_unpin(struct vmw_framebuffer *vfb) struct vmw_framebuffer_surface *vfbs = vmw_framebuffer_to_vfbs(&vfb->base); + if (unlikely(vfbs->buffer == NULL)) + return 0; + bo = &vfbs->buffer->base; ttm_bo_unref(&bo); vfbs->buffer = NULL;