2 files changed, 13 insertions, 4 deletions
diff --git a/source/blender/nodes/intern/CMP_nodes/CMP_composite.c b/source/blender/nodes/intern/CMP_nodes/CMP_composite.c
index ee9545c3196..800cccc2bfc 100644
--- a/source/blender/nodes/intern/CMP_nodes/CMP_composite.c
+++ b/source/blender/nodes/intern/CMP_nodes/CMP_composite.c
@@ -50,7 +50,8 @@ static void node_composit_exec_composite(void *data, bNode *node, bNodeStack **i
 		RenderData *rd= data;
 		
 		if(scene && (rd->scemode & R_DOCOMP)) {
-			RenderResult *rr= RE_GetResult(RE_GetRender(scene->id.name)); 
+			Render *re= RE_GetRender(scene->id.name);
+			RenderResult *rr= RE_AcquireResultWrite(re); 
 			if(rr) {
 				CompBuf *outbuf, *zbuf=NULL;
 				
@@ -78,11 +79,15 @@ static void node_composit_exec_composite(void *data, bNode *node, bNodeStack **i
 				rr->rectf= outbuf->rect;
 				outbuf->malloc= 0;
 				free_compbuf(outbuf);
+
+				RE_ReleaseResult(re);
 				
 				/* signal for imageviewer to refresh (it converts to byte rects...) */
 				BKE_image_signal(BKE_image_verify_viewer(IMA_TYPE_R_RESULT, "Render Result"), NULL, IMA_SIGNAL_FREE);
 				return;
 			}
+			else
+				RE_ReleaseResult(re);
 		}
 	}
 	if(in[0]->data)
diff --git a/source/blender/nodes/intern/CMP_nodes/CMP_image.c b/source/blender/nodes/intern/CMP_nodes/CMP_image.c
index 5f444357776..00be52a81aa 100644
--- a/source/blender/nodes/intern/CMP_nodes/CMP_image.c
+++ b/source/blender/nodes/intern/CMP_nodes/CMP_image.c
@@ -350,11 +350,12 @@ void node_composit_rlayers_out(RenderData *rd, RenderLayer *rl, bNodeStack **out
 static void node_composit_exec_rlayers(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
 {
    Scene *sce= (Scene *)node->id;
+   Render *re= (sce)? RE_GetRender(sce->id.name): NULL;
    RenderData *rd= data;
    RenderResult *rr= NULL;
 
-   if(sce)
-	   rr= RE_GetResult(RE_GetRender(sce->id.name));
+   if(re)
+	   rr= RE_AcquireResultRead(re);
 
    if(rr) {
       SceneRenderLayer *srl= BLI_findlink(&sce->r.layers, node->custom1);
@@ -389,7 +390,10 @@ static void node_composit_exec_rlayers(void *data, bNode *node, bNodeStack **in,
             }
          }
       }
-   }	
+   }
+
+   if(re)
+	   RE_ReleaseResult(re);
 };