On Sat 17 August 2013 18:25:06 Ming Lei wrote:
> Complete() will be run with interrupt enabled, so change to
> spin_lock_irqsave().
>
> Cc: Mauro Carvalho Chehab <mche...@redhat.com>
> Cc: linux-me...@vger.kernel.org
> Signed-off-by: Ming Lei <ming....@canonical.com>
Acked-by: Hans Verkuil <hans.verk...@cisco.com>
Regards,
Hans
> ---
> drivers/media/usb/tm6000/tm6000-video.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/usb/tm6000/tm6000-video.c
> b/drivers/media/usb/tm6000/tm6000-video.c
> index cc1aa14..8bb440f 100644
> --- a/drivers/media/usb/tm6000/tm6000-video.c
> +++ b/drivers/media/usb/tm6000/tm6000-video.c
> @@ -434,6 +434,7 @@ static void tm6000_irq_callback(struct urb *urb)
> struct tm6000_dmaqueue *dma_q = urb->context;
> struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
> int i;
> + unsigned long flags;
>
> switch (urb->status) {
> case 0:
> @@ -450,9 +451,9 @@ static void tm6000_irq_callback(struct urb *urb)
> break;
> }
>
> - spin_lock(&dev->slock);
> + spin_lock_irqsave(&dev->slock, flags);
> tm6000_isoc_copy(urb);
> - spin_unlock(&dev->slock);
> + spin_unlock_irqrestore(&dev->slock, flags);
>
> /* Reset urb buffers */
> for (i = 0; i < urb->number_of_packets; i++) {
>
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