diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index 872e44408298..e7305ce57ea1 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -1086,16 +1086,17 @@ static void sof_disconnect_dai_widget(struct snd_soc_component *scomp,
 {
 	struct snd_soc_card *card = scomp->card;
 	struct snd_soc_pcm_runtime *rtd;
+	const char *sname = w->sname;
 	struct snd_soc_dai *cpu_dai;
 	int i;
 
-	if (!w->sname)
+	if (!sname)
 		return;
 
 	list_for_each_entry(rtd, &card->rtd_list, list) {
 		/* does stream match DAI link ? */
 		if (!rtd->dai_link->stream_name ||
-		    strcmp(w->sname, rtd->dai_link->stream_name))
+		    strcmp(sname, rtd->dai_link->stream_name))
 			continue;
 
 		switch (w->id) {