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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-03-06 17:38:11 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-03-06 17:38:11 -0300 |
| commit | 9ad92f018999a418ca79b7ba9701d85ee515f2a3 (patch) | |
| tree | 9fd155089eff4f1c206d1af1d32e1cfae24604b0 /linux/drivers | |
| parent | a9746c66ca4fbd4c7120cad319e8df1a4c5e2d66 (diff) | |
| download | mediapointer-dvb-s2-9ad92f018999a418ca79b7ba9701d85ee515f2a3.tar.gz mediapointer-dvb-s2-9ad92f018999a418ca79b7ba9701d85ee515f2a3.tar.bz2 | |
cx88-dvb: fix an OOPS for xc3028 devices, when dvb_attach fails
From: Mauro Carvalho Chehab <mchehab@infradead.org>
If dvb_attach fails, dev->dvb.frontend is NULL. This will produce an OOPS, as
reported.
Thanks to Vanessa Ezekowitz <vanessaezekowitz@gmail.com>
CC: Vanessa Ezekowitz <vanessaezekowitz@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'linux/drivers')
| -rw-r--r-- | linux/drivers/media/video/cx88/cx88-dvb.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/linux/drivers/media/video/cx88/cx88-dvb.c b/linux/drivers/media/video/cx88/cx88-dvb.c index 12096f854..4cfff6e4a 100644 --- a/linux/drivers/media/video/cx88/cx88-dvb.c +++ b/linux/drivers/media/video/cx88/cx88-dvb.c @@ -468,6 +468,13 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev) .video_dev = dev->core, }; + if (!dev->dvb.frontend) { + printk(KERN_ERR "%s/2: dvb frontend not attached. " + "Can't attach xc3028\n", + dev->core->name); + return -EINVAL; + } + fe = dvb_attach(xc2028_attach, dev->dvb.frontend, &cfg); if (!fe) { printk(KERN_ERR "%s/2: xc3028 attach failed\n", |