On 11-07-2013 13:06, Ming Lei wrote:
Complete() will be run with interrupt enabled, so change to
spin_lock_irqsave().
Cc: Daniel Mack <zonque@xxxxxxxxx>
Cc: Jaroslav Kysela <perex@xxxxxxxx>
Cc: Takashi Iwai <tiwai@xxxxxxx>
Cc: alsa-devel@xxxxxxxxxxxxxxxx
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
---
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;
Emoty line wouldn't hurt here, after declaration.
+ 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);
WBR, Sergei
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