3.7-dvb-core.patch

--- drivers/media/dvb-core/dvbdev.c
+++ drivers/media/dvb-core/dvbdev.c
@@ -68,7 +68,7 @@
 {
 	struct dvb_device *dvbdev;
 
-	mutex_lock(&dvbdev_mutex);
+	//mutex_lock(&dvbdev_mutex);
 	down_read(&minor_rwsem);
 	dvbdev = dvb_minors[iminor(inode)];
 
@@ -91,12 +91,12 @@
 		}
 		fops_put(old_fops);
 		up_read(&minor_rwsem);
-		mutex_unlock(&dvbdev_mutex);
+		//mutex_unlock(&dvbdev_mutex);
 		return err;
 	}
 fail:
 	up_read(&minor_rwsem);
-	mutex_unlock(&dvbdev_mutex);
+	//mutex_unlock(&dvbdev_mutex);
 	return -ENODEV;
 }