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V4L/DVB (7624): Avoid an oops if the board is not fully defined
Avoid an oops if the board is not fully defined. Signed-off-by: Steven Toth <stoth@hauppauge.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -217,6 +217,7 @@ static int au0828_usb_probe (struct usb_interface *interface,
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au0828_dvb_register(dev);
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_info("Registered device AU0828 [%s]\n",
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au0828_boards[dev->board].name == NULL ? "Unset" :
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au0828_boards[dev->board].name);
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return 0;
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@ -57,6 +57,9 @@ static void urb_completion(struct urb *purb)
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struct au0828_dev *dev = purb->context;
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int ptype = usb_pipetype(purb->pipe);
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if (!dev)
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return;
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if (dev->urb_streaming == 0)
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return;
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@ -310,6 +313,9 @@ void au0828_dvb_unregister(struct au0828_dev *dev)
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{
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struct au0828_dvb *dvb = &dev->dvb;
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if(dvb->frontend == NULL)
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return;
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dvb_net_release(&dvb->net);
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dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
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dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
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