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authorMauro Carvalho Chehab <mchehab@infradead.org>2008-04-11 16:29:44 +0200
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-24 19:08:00 +0200
commit9950c1b5b4b86d4aae12853c2f0a0ef11d976764 (patch)
tree50ad703f54ea15f738dfc54c471b89fcdeca7dc0 /drivers/media/video/cx88
parentV4L/DVB (7535): saa717x: add new audio/video decoder i2c driver (diff)
downloadlinux-9950c1b5b4b86d4aae12853c2f0a0ef11d976764.tar.xz
linux-9950c1b5b4b86d4aae12853c2f0a0ef11d976764.zip
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: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx88')
-rw-r--r--drivers/media/video/cx88/cx88-dvb.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 8fc929eb47ba..e83d9869e68b 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -951,7 +951,8 @@ static int cx8802_dvb_remove(struct cx8802_driver *drv)
struct cx8802_dev *dev = drv->core->dvbdev;
/* dvb */
- videobuf_dvb_unregister(&dev->dvb);
+ if (dev->dvb.frontend)
+ videobuf_dvb_unregister(&dev->dvb);
vp3054_i2c_remove(dev);