diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-dvb.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-dvb.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 7b8c9d3b6efc..84002bc80db5 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -133,7 +133,10 @@ static int cx88_dvb_bus_ctrl(struct dvb_frontend* fe, int acquire) return -EINVAL; } + mutex_lock(&dev->core->lock); drv = cx8802_get_driver(dev, CX88_MPEG_DVB); + mutex_unlock(&dev->core->lock); + if (drv) { if (acquire){ dev->frontends.active_fe_id = fe_id; |