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Commit 9950c1b5 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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V4L/DVB (7537): cx88/saa7134: Fix: avoid OOPS on module unload 



If frontend is not attached, both cx88-dvb and saa7134-dvb don't
register DVB. However, dvb unregister were inconditionally called.

Due to that, an OOPS is generated.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent fb7b37cf

drivers/media/video/cx88/cx88-dvb.c

+2 −1
Original line number Diff line number Diff line
@@ -951,6 +951,7 @@ static int cx8802_dvb_remove(struct cx8802_driver *drv) 
	struct cx8802_dev *dev = drv->core->dvbdev;



	/* dvb */

	if (dev->dvb.frontend)

		videobuf_dvb_unregister(&dev->dvb);



	vp3054_i2c_remove(dev);

drivers/media/video/saa7134/saa7134-dvb.c

+2 −1
Original line number Diff line number Diff line
@@ -1302,6 +1302,7 @@ static int dvb_fini(struct saa7134_dev *dev) 
			}

		}

	}

	if (dev->dvb.frontend)

		videobuf_dvb_unregister(&dev->dvb);

	return 0;

}