* FESTATE_LOSTLOCK. When the lock has been lost, and we're searching it again.
*/
+#define DVB_FE_NO_EXIT 0
+#define DVB_FE_NORMAL_EXIT 1
+#define DVB_FE_DEVICE_REMOVED 2
+
static DEFINE_MUTEX(frontend_mutex);
struct dvb_frontend_private {
{
struct dvb_frontend_private *fepriv = fe->frontend_priv;
- if (fepriv->exit)
+ if (fepriv->exit != DVB_FE_NO_EXIT)
return 1;
if (fepriv->dvbdev->writers == 1)
if (kthread_should_stop() || dvb_frontend_is_exiting(fe)) {
/* got signal or quitting */
- fepriv->exit = 1;
+ fepriv->exit = DVB_FE_NORMAL_EXIT;
break;
}
}
fepriv->thread = NULL;
- fepriv->exit = 0;
+ if (kthread_should_stop())
+ fepriv->exit = DVB_FE_DEVICE_REMOVED;
+ else
+ fepriv->exit = DVB_FE_NO_EXIT;
mb();
dvb_frontend_wakeup(fe);
dprintk ("%s\n", __func__);
- fepriv->exit = 1;
+ fepriv->exit = DVB_FE_NORMAL_EXIT;
mb();
if (!fepriv->thread)
dprintk ("%s\n", __func__);
if (fepriv->thread) {
- if (!fepriv->exit)
+ if (fepriv->exit == DVB_FE_NO_EXIT)
return 0;
else
dvb_frontend_stop (fe);
return -EINTR;
fepriv->state = FESTATE_IDLE;
- fepriv->exit = 0;
+ fepriv->exit = DVB_FE_NO_EXIT;
fepriv->thread = NULL;
mb();
{
int r = 0;
- dtv_property_dump(tvp);
-
/* Allow the frontend to validate incoming properties */
if (fe->ops.get_property)
r = fe->ops.get_property(fe, tvp);
r = -1;
}
+ dtv_property_dump(tvp);
+
return r;
}
struct dvb_frontend_private *fepriv = fe->frontend_priv;
int err = -EOPNOTSUPP;
- dprintk ("%s\n", __func__);
+ dprintk("%s (%d)\n", __func__, _IOC_NR(cmd));
- if (fepriv->exit)
+ if (fepriv->exit != DVB_FE_NO_EXIT)
return -ENODEV;
if ((file->f_flags & O_ACCMODE) == O_RDONLY &&
if ((tvps->num == 0) || (tvps->num > DTV_IOCTL_MAX_MSGS))
return -EINVAL;
- tvp = (struct dtv_property *) kmalloc(tvps->num *
- sizeof(struct dtv_property), GFP_KERNEL);
+ tvp = kmalloc(tvps->num * sizeof(struct dtv_property), GFP_KERNEL);
if (!tvp) {
err = -ENOMEM;
goto out;
if ((tvps->num == 0) || (tvps->num > DTV_IOCTL_MAX_MSGS))
return -EINVAL;
- tvp = (struct dtv_property *) kmalloc(tvps->num *
- sizeof(struct dtv_property), GFP_KERNEL);
+ tvp = kmalloc(tvps->num * sizeof(struct dtv_property), GFP_KERNEL);
if (!tvp) {
err = -ENOMEM;
goto out;
int ret;
dprintk ("%s\n", __func__);
+ if (fepriv->exit == DVB_FE_DEVICE_REMOVED)
+ return -ENODEV;
if (adapter->mfe_shared) {
mutex_lock (&adapter->mfe_lock);
ret = dvb_generic_release (inode, file);
if (dvbdev->users == -1) {
- if (fepriv->exit == 1) {
+ if (fepriv->exit != DVB_FE_NO_EXIT) {
fops_put(file->f_op);
file->f_op = NULL;
wake_up(&dvbdev->wait_queue);