[ALSA] Remove nested mutexes in seq_ports.c

Removed nested mutexes in the removal routine of port connections.
The port is guaranteed to be offline before calling it, so no mutex
is needed.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c
index 5f46ee9e2174192c89943d4582148b2b6ca583a7..334579a9f268b692178ee301ec3103c4072d8981 100644 (file)
--- a/sound/core/seq/seq_ports.c
+++ b/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 */