diff --git a/[refs] b/[refs]
index 67a6123cc2db..bd4bff506daf 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 555fdc2e9fb2071fdd10ff1d86b8d63265d80241
+refs/heads/master: 45df379798b5c3b2ea937735ef04c58ce0f532a7
diff --git a/trunk/sound/core/seq/seq_ports.c b/trunk/sound/core/seq/seq_ports.c
index 5f46ee9e2174..334579a9f268 100644
--- a/trunk/sound/core/seq/seq_ports.c
+++ b/trunk/sound/core/seq/seq_ports.c
@@ -221,7 +221,6 @@ static void clear_subscriber_list(struct snd_seq_client *client,
 {
 	struct list_head *p, *n;
 
-	down_write(&grp->list_mutex);
 	list_for_each_safe(p, n, &grp->list_head) {
 		struct snd_seq_subscribers *subs;
 		struct snd_seq_client *c;
@@ -259,7 +258,6 @@ static void clear_subscriber_list(struct snd_seq_client *client,
 			snd_seq_client_unlock(c);
 		}
 	}
-	up_write(&grp->list_mutex);
 }
 
 /* delete port data */