Complete() will be run with interrupt enabled, so change to spin_lock_irqsave(). Cc: Johan Hovold <jhovold@xxxxxxxxx> Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx> --- drivers/usb/serial/mos7720.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 51da424..9b8c866 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -338,14 +338,15 @@ static void async_complete(struct urb *urb) { struct urbtracker *urbtrack = urb->context; int status = urb->status; + unsigned long flags; if (unlikely(status)) dev_dbg(&urb->dev->dev, "%s - nonzero urb status received: %d\n", __func__, status); /* remove the urbtracker from the active_urbs list */ - spin_lock(&urbtrack->mos_parport->listlock); + spin_lock_irqsave(&urbtrack->mos_parport->listlock, flags); list_del(&urbtrack->urblist_entry); - spin_unlock(&urbtrack->mos_parport->listlock); + spin_unlock_irqrestore(&urbtrack->mos_parport->listlock, flags); kref_put(&urbtrack->ref_count, destroy_urbtracker); } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html