V4L/DVB (9230): cx23885: MFE related OOPS fix

Bug: the tree generated an oops when the cx23885 was laoded. This avoids
the oops by ensuring the mutex is correctly initialised before it's used.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx23885/cx23885-core.c

@@ -643,6 +643,10 @@ static int cx23885_init_tsport(struct cx23885_dev *dev, struct cx23885_tsport *p
 	port->mpegq.timeout.data = (unsigned long)port;
 	init_timer(&port->mpegq.timeout);
 
+	mutex_init(&port->frontends.lock);
+	INIT_LIST_HEAD(&port->frontends.frontend.felist);
+	port->frontends.active_fe_id = 0;
+
 	switch(portno) {
 	case 1:
 		port->reg_gpcnt          = VID_B_GPCNT;

drivers/media/video/cx23885/cx23885-dvb.c

@@ -314,11 +314,6 @@ static int dvb_register(struct cx23885_tsport *port)
 	struct cx23885_i2c *i2c_bus = NULL;
 	struct videobuf_dvb_frontend *fe0;
 
-	/* FIXME: add support for multi-frontend */
-	mutex_init(&port->frontends.lock);
-	INIT_LIST_HEAD(&port->frontends.frontend.felist);
-	port->frontends.active_fe_id = 0;
-
 	printk(KERN_INFO "%s() allocating 1 frontend\n", __func__);
 
 	if (videobuf_dvb_alloc_frontend(dev, &port->frontends, 1) == NULL) {