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/sn9c102/sn9c102_core.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/media/usb/sn9c102/sn9c102_core.c
b/drivers/media/usb/sn9c102/sn9c102_core.c
index 2cb44de..33dc595 100644
--- a/drivers/media/usb/sn9c102/sn9c102_core.c
+++ b/drivers/media/usb/sn9c102/sn9c102_core.c
@@ -784,12 +784,14 @@ end_of_frame:
cam->sensor.pix_format.pixelformat ==
V4L2_PIX_FMT_JPEG) && eof)) {
u32 b;
+ unsigned long flags;
b = (*f)->buf.bytesused;
(*f)->state = F_DONE;
(*f)->buf.sequence= ++cam->frame_count;
- spin_lock(&cam->queue_lock);
+ spin_lock_irqsave(&cam->queue_lock,
+ flags);
list_move_tail(&(*f)->frame,
&cam->outqueue);
if (!list_empty(&cam->inqueue))
@@ -799,7 +801,8 @@ end_of_frame:
frame );
else
(*f) = NULL;
- spin_unlock(&cam->queue_lock);
+ spin_unlock_irqrestore(&cam->queue_lock,
+ flags);
memcpy(cam->sysfs.frame_header,
cam->sof.header, soflen);
--
1.7.9.5
--
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