au0828: Cancel stream-restart operation if frontend is disconnected

If the tuner is already disconnected, It is meaningless to go on doing the
stream-restart operation, It is better to cancel this operation.

Change-Id: Ie63854352383cd300eb3626e63143e6a73d519d8
Signed-off-by: Changbing Xiong <cb.xiong@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/usb/au0828/au0828-dvb.c b/drivers/media/usb/au0828/au0828-dvb.c
old mode 100644 (file)
new mode 100755 (executable)
index 9a6f156..fd8e798
--- a/drivers/media/usb/au0828/au0828-dvb.c
+++ b/drivers/media/usb/au0828/au0828-dvb.c
@@ -403,6 +403,8 @@ void au0828_dvb_unregister(struct au0828_dev *dev)
        if (dvb->frontend == NULL)
                return;
 
+       cancel_work_sync(&dev->restart_streaming);
+
        dvb_net_release(&dvb->net);
        dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
        dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);