If something bad happens while an USB control message is
transfered, return an error code.
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
---
drivers/media/usb/dvb-usb/dtt200u.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/media/usb/dvb-usb/dtt200u.c b/drivers/media/usb/dvb-usb/dtt200u.c
index d6023fb6a1d4..ca8965b8b610 100644
--- a/drivers/media/usb/dvb-usb/dtt200u.c
+++ b/drivers/media/usb/dvb-usb/dtt200u.c
@@ -31,7 +31,7 @@ static int dtt200u_power_ctrl(struct dvb_usb_device *d, int onoff)
st->data[0] = SET_INIT;
if (onoff)
- dvb_usb_generic_write(d, st->data, 2);
+ return dvb_usb_generic_write(d, st->data, 2);
return 0;
}
@@ -39,19 +39,20 @@ static int dtt200u_power_ctrl(struct dvb_usb_device *d, int onoff)
static int dtt200u_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
struct dtt200u_state *st = adap->dev->priv;
+ int ret;
st->data[0] = SET_STREAMING;
st->data[1] = onoff;
- dvb_usb_generic_write(adap->dev, st->data, 2);
+ ret = dvb_usb_generic_write(adap->dev, st->data, 2);
+ if (ret < 0)
+ return ret;
if (onoff)
return 0;
st->data[0] = RESET_PID_FILTER;
- dvb_usb_generic_write(adap->dev, st->data, 1);
-
- return 0;
+ return dvb_usb_generic_write(adap->dev, st->data, 1);
}
static int dtt200u_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
@@ -72,10 +73,14 @@ static int dtt200u_rc_query(struct dvb_usb_device *d)
{
struct dtt200u_state *st = d->priv;
u32 scancode;
+ int ret;
st->data[0] = GET_RC_CODE;
- dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0);
+ ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0);
+ if (ret < 0)
+ return ret;
+
if (st->data[0] == 1) {
enum rc_type proto = RC_TYPE_NEC;
--
2.7.4
--
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