diff options
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_bo.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 16 |
3 files changed, 17 insertions, 5 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c index b7766421d2f5..8832e4de86f1 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c @@ -848,9 +848,9 @@ void vmw_bo_placement_set_default_accelerated(struct vmw_bo *bo) vmw_bo_placement_set(bo, domain, domain); } -void vmw_bo_add_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res) +int vmw_bo_add_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res) { - xa_store(&vbo->detached_resources, (unsigned long)res, res, GFP_KERNEL); + return xa_err(xa_store(&vbo->detached_resources, (unsigned long)res, res, GFP_KERNEL)); } void vmw_bo_del_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h index e97cae2365c8..8c81ae3f5461 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h @@ -141,7 +141,7 @@ void vmw_bo_move_notify(struct ttm_buffer_object *bo, struct ttm_resource *mem); void vmw_bo_swap_notify(struct ttm_buffer_object *bo); -void vmw_bo_add_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res); +int vmw_bo_add_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res); void vmw_bo_del_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res); struct vmw_surface *vmw_bo_surface(struct vmw_bo *vbo); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index 1a0a544b1ad0..02ab65cc63ec 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -838,7 +838,12 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data, vmw_resource_unreference(&res); goto out_unlock; } - vmw_bo_add_detached_resource(res->guest_memory_bo, res); + + ret = vmw_bo_add_detached_resource(res->guest_memory_bo, res); + if (unlikely(ret != 0)) { + vmw_resource_unreference(&res); + goto out_unlock; + } } tmp = vmw_resource_reference(&srf->res); @@ -1637,6 +1642,14 @@ vmw_gb_surface_define_internal(struct drm_device *dev, } + if (res->guest_memory_bo) { + ret = vmw_bo_add_detached_resource(res->guest_memory_bo, res); + if (unlikely(ret != 0)) { + vmw_resource_unreference(&res); + goto out_unlock; + } + } + tmp = vmw_resource_reference(res); ret = ttm_prime_object_init(tfile, res->guest_memory_size, &user_srf->prime, VMW_RES_SURFACE, @@ -1651,7 +1664,6 @@ vmw_gb_surface_define_internal(struct drm_device *dev, rep->handle = user_srf->prime.base.handle; rep->backup_size = res->guest_memory_size; if (res->guest_memory_bo) { - vmw_bo_add_detached_resource(res->guest_memory_bo, res); rep->buffer_map_handle = drm_vma_node_offset_addr(&res->guest_memory_bo->tbo.base.vma_node); rep->buffer_size = res->guest_memory_bo->tbo.base.size; |