diff options
Diffstat (limited to 'linux/drivers')
| -rw-r--r-- | linux/drivers/media/dvb/dvb-core/dvb_frontend.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c index ebc550147..2f7594734 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -268,8 +268,14 @@ int dvb_frontend_get_event (struct dvb_frontend_data *fe, if (flags & O_NONBLOCK) return -EWOULDBLOCK; + up(&fe->sem); + ret = wait_event_interruptible (events->wait_queue, events->eventw != events->eventr); + + if (down_interruptible (&fe->sem)) + return -ERESTARTSYS; + if (ret < 0) return ret; } |