diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/lmedm04.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/lmedm04.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/media/dvb/dvb-usb/lmedm04.c b/drivers/media/dvb/dvb-usb/lmedm04.c index 5b0f43791f77..773638475a79 100644 --- a/drivers/media/dvb/dvb-usb/lmedm04.c +++ b/drivers/media/dvb/dvb-usb/lmedm04.c @@ -666,9 +666,10 @@ static int lme2510_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) else { deb_info(1, "STM Steam Off"); /* mutex is here only to avoid collision with I2C */ - ret = mutex_lock_interruptible(&adap->dev->i2c_mutex); + if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0) + return -EAGAIN; - ret |= lme2510_usb_talk(adap->dev, clear_reg_3, + ret = lme2510_usb_talk(adap->dev, clear_reg_3, sizeof(clear_reg_3), rbuf, rlen); st->stream_on = 0; st->i2c_talk_onoff = 1; @@ -1099,12 +1100,13 @@ static int lme2510_powerup(struct dvb_usb_device *d, int onoff) static u8 rbuf[1]; int ret, len = 3, rlen = 1; - ret = mutex_lock_interruptible(&d->i2c_mutex); + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; if (onoff) - ret |= lme2510_usb_talk(d, lnb_on, len, rbuf, rlen); + ret = lme2510_usb_talk(d, lnb_on, len, rbuf, rlen); else - ret |= lme2510_usb_talk(d, lnb_off, len, rbuf, rlen); + ret = lme2510_usb_talk(d, lnb_off, len, rbuf, rlen); st->i2c_talk_onoff = 1; |