ALSA: usb-audio: fix oops due to cleanup race when disconnecting

[pandora-kernel.git] / sound / usb / usbaudio.h

diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index db3eb21..6e66fff 100644 (file)
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -36,6 +36,7 @@ struct snd_usb_audio {
        struct snd_card *card;
        u32 usb_id;
        int shutdown;
+       struct mutex shutdown_mutex;
        unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
        int num_interfaces;
        int num_suspended_intf;