+ if (adapter->mfe_shared) {
+ mutex_lock (&adapter->mfe_lock);
+ if (adapter->mfe_dvbdev != dvbdev) {
+ if (adapter->mfe_dvbdev) {
+ mfedev = adapter->mfe_dvbdev;
+ mfe = mfedev->priv;
+ mfepriv = mfe->frontend_priv;
+ mutex_unlock (&adapter->mfe_lock);
+ mferetry = (dvb_mfe_wait_time << 1);
+ while (mferetry-- && (mfedev->users != -1 || mfepriv->thread != NULL)) {
+ if(msleep_interruptible(500)) {
+ if(signal_pending(current))
+ return -EINTR;
+ }
+ }
+ mutex_lock (&adapter->mfe_lock);
+ mfedev = adapter->mfe_dvbdev;
+ mfe = mfedev->priv;
+ mfepriv = mfe->frontend_priv;
+ if (mfedev->users != -1 || mfepriv->thread != NULL) {
+ ret = -EBUSY;
+ goto err0;
+ }
+ }
+ adapter->mfe_dvbdev = dvbdev;
+ }
+ }
+