On Sat 17 August 2013 18:25:04 Ming Lei wrote: > Complete() will be run with interrupt enabled, so change to > spin_lock_irqsave(). > > Cc: Mauro Carvalho Chehab <[email protected]> > Cc: [email protected] > Signed-off-by: Ming Lei <[email protected]>
Acked-by: Hans Verkuil <[email protected]> Regards, Hans > --- > 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); > -- 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
