ALSA: fireworks/bebob: Shorten critical section for stream_stop_duplex()

All assignment for local variables in these functions are not related to
critical section.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/sound/firewire/fireworks/fireworks_stream.c b/sound/firewire/fireworks/fireworks_stream.c
index 541569022a7c..b985fc5ebdc6 100644
--- a/sound/firewire/fireworks/fireworks_stream.c
+++ b/sound/firewire/fireworks/fireworks_stream.c
@@ -284,8 +284,6 @@ void snd_efw_stream_stop_duplex(struct snd_efw *efw)
         struct amdtp_stream *master, *slave;
         atomic_t *master_substreams, *slave_substreams;
 
-        mutex_lock(&efw->mutex);
-
         if (efw->master == &efw->rx_stream) {
                 slave  = &efw->tx_stream;
                 master = &efw->rx_stream;
@@ -298,6 +296,8 @@ void snd_efw_stream_stop_duplex(struct snd_efw *efw)
                 master_substreams = &efw->capture_substreams;
         }
 
+        mutex_lock(&efw->mutex);
+
         if (atomic_read(slave_substreams) == 0) {
                 stop_stream(efw, slave);