diff --git a/sound/hda/common/proc.c b/sound/hda/common/proc.c
index c83796b13d3d..3dabdb418c7b 100644
--- a/sound/hda/common/proc.c
+++ b/sound/hda/common/proc.c
@@ -624,7 +624,7 @@ static void print_conn_list(struct snd_info_buffer *buffer,
 	/* Get Cache connections info */
 	cache_len = snd_hda_get_conn_list(codec, nid, &list);
 	if (cache_len >= 0 && (cache_len != conn_len ||
-			      memcmp(list, conn, conn_len) != 0)) {
+			      memcmp(list, conn, conn_len * sizeof(*conn)) != 0)) {
 		snd_iprintf(buffer, "  In-driver Connection: %d\n", cache_len);
 		if (cache_len > 0) {
 			snd_iprintf(buffer, "    ");