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path: root/drivers/media/video/cx88/cx88-dvb.c
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Diffstat (limited to 'drivers/media/video/cx88/cx88-dvb.c')
-rw-r--r--drivers/media/video/cx88/cx88-dvb.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 7b8c9d3b6efc..c69df7ebb6a7 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -133,6 +133,7 @@ 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);
if (drv) {
if (acquire){
@@ -143,6 +144,7 @@ static int cx88_dvb_bus_ctrl(struct dvb_frontend* fe, int acquire)
dev->frontends.active_fe_id = 0;
}
}
+ mutex_unlock(&dev->core->lock);
return ret;
}