Complete() will be run with interrupt enabled, so change to spin_lock_irqsave().
Cc: Jaroslav Kysela <[email protected]> Cc: Takashi Iwai <[email protected]> Cc: [email protected] Acked-by: Daniel Mack <[email protected]> Signed-off-by: Ming Lei <[email protected]> --- 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
