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V4L/DVB (7624): Avoid an oops if the board is not fully defined

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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>
This commit is contained in:
Steven Toth 2008-04-02 01:10:40 -03:00 committed by Mauro Carvalho Chehab
parent c32d4d7510
commit 9c26de555d
2 changed files with 7 additions and 0 deletions
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1
drivers/media/video/au0828/au0828-core.c
View file

@ -217,6 +217,7 @@ static int au0828_usb_probe (struct usb_interface *interface,
au0828_dvb_register(dev);
_info("Registered device AU0828 [%s]\n",
au0828_boards[dev->board].name == NULL ? "Unset" :
au0828_boards[dev->board].name);
return 0;

6
drivers/media/video/au0828/au0828-dvb.c
View file

@ -57,6 +57,9 @@ static void urb_completion(struct urb *purb)
struct au0828_dev *dev = purb->context;
int ptype = usb_pipetype(purb->pipe);
if (!dev)
return;
if (dev->urb_streaming == 0)
return;
@ -310,6 +313,9 @@ void au0828_dvb_unregister(struct au0828_dev *dev)
{
struct au0828_dvb *dvb = &dev->dvb;
if(dvb->frontend == NULL)
return;
dvb_net_release(&dvb->net);
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);