diff --git a/[refs] b/[refs]
index 6210e4aef7a0..02887ae0a2d9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8e7795ef6b5fd117b22b87ea7d501de2526a25f7
+refs/heads/master: d8371f0481fd1ad2701081d37815b0bb5d236b92
diff --git a/trunk/sound/core/seq/seq_ports.c b/trunk/sound/core/seq/seq_ports.c
index d467b4f0ff2b..8c64b58ff77b 100644
--- a/trunk/sound/core/seq/seq_ports.c
+++ b/trunk/sound/core/seq/seq_ports.c
@@ -514,7 +514,7 @@ int snd_seq_port_connect(struct snd_seq_client *connector,
 	atomic_set(&subs->ref_count, 2);
 
 	down_write(&src->list_mutex);
-	down_write(&dest->list_mutex);
+	down_write_nested(&dest->list_mutex, SINGLE_DEPTH_NESTING);
 
 	exclusive = info->flags & SNDRV_SEQ_PORT_SUBS_EXCLUSIVE ? 1 : 0;
 	err = -EBUSY;
@@ -587,7 +587,7 @@ int snd_seq_port_disconnect(struct snd_seq_client *connector,
 	unsigned long flags;
 
 	down_write(&src->list_mutex);
-	down_write(&dest->list_mutex);
+	down_write_nested(&dest->list_mutex, SINGLE_DEPTH_NESTING);
 
 	/* look for the connection */
 	list_for_each(p, &src->list_head) {