1 files changed, 3 insertions, 3 deletions

diff --git a/sound/usb/card.c b/sound/usb/card.c
index 282f0fc9fed1..dbf7999d18b4 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -559,9 +559,11 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
                 return;
 
         card = chip->card;
-        mutex_lock(&register_mutex);
         down_write(&chip->shutdown_rwsem);
         chip->shutdown = 1;
+        up_write(&chip->shutdown_rwsem);
+
+        mutex_lock(&register_mutex);
         chip->num_interfaces--;
         if (chip->num_interfaces <= 0) {
                 snd_card_disconnect(card);
@@ -582,11 +584,9 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
                         snd_usb_mixer_disconnect(p);
                 }
                 usb_chip[chip->index] = NULL;
-                up_write(&chip->shutdown_rwsem);
                 mutex_unlock(&register_mutex);
                 snd_card_free_when_closed(card);
         } else {
-                up_write(&chip->shutdown_rwsem);
                 mutex_unlock(&register_mutex);
         }
 }