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

Cc: Mauro Carvalho Chehab <mche...@redhat.com>
Cc: linux-media@vger.kernel.org
Signed-off-by: Ming Lei <ming....@canonical.com>
---
 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++) {
-- 
1.7.9.5

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