Complete() will be run with interrupt enabled, so change to
spin_lock_irqsave().

Cc: Daniel Mack <zon...@gmail.com>
Cc: Jaroslav Kysela <pe...@perex.cz>
Cc: Takashi Iwai <ti...@suse.de>
Cc: alsa-de...@alsa-project.org
Signed-off-by: Ming Lei <ming....@canonical.com>
---
 sound/usb/caiaq/audio.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
index 7103b09..e5675ab 100644
--- a/sound/usb/caiaq/audio.c
+++ b/sound/usb/caiaq/audio.c
@@ -672,10 +672,11 @@ static void read_completed(struct urb *urb)
                offset += len;
 
                if (len > 0) {
-                       spin_lock(&cdev->spinlock);
+                       unsigned long flags;
+                       spin_lock_irqsave(&cdev->spinlock, flags);
                        fill_out_urb(cdev, out, &out->iso_frame_desc[outframe]);
                        read_in_urb(cdev, urb, &urb->iso_frame_desc[frame]);
-                       spin_unlock(&cdev->spinlock);
+                       spin_unlock_irqrestore(&cdev->spinlock, flags);
                        check_for_elapsed_periods(cdev, cdev->sub_playback);
                        check_for_elapsed_periods(cdev, cdev->sub_capture);
                        send_it = 1;
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to