diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 23a5f9a52da0fddf8ea0b95d3910811893deee70..c65c92b073b283098f50a5edd3c13fa08127027c 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -1258,15 +1258,24 @@ static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
 			break;
 		}
 
-		routes[i]->source = elem->source;
-		routes[i]->sink = elem->sink;
+		routes[i]->source = devm_kstrdup(tplg->dev, elem->source, GFP_KERNEL);
+		routes[i]->sink = devm_kstrdup(tplg->dev, elem->sink, GFP_KERNEL);
+		if (!routes[i]->source || !routes[i]->sink) {
+			ret = -ENOMEM;
+			break;
+		}
 
 		/* set to NULL atm for tplg users */
 		routes[i]->connected = NULL;
-		if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
+		if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0) {
 			routes[i]->control = NULL;
-		else
-			routes[i]->control = elem->control;
+		} else {
+			routes[i]->control = devm_kstrdup(tplg->dev, elem->control, GFP_KERNEL);
+			if (!routes[i]->control) {
+				ret = -ENOMEM;
+				break;
+			}
+		}
 
 		/* add route dobj to dobj_list */
 		routes[i]->dobj.type = SND_SOC_DOBJ_GRAPH;