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V4L/DVB (7325): cx88-dvb: fix an OOPS for xc3028 devices, when dvb_attach fails

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If dvb_attach fails, dev->dvb.frontend is NULL. This will produce an OOPS, as
reported.

Thanks to Vanessa Ezekowitz <vanessaezekowitz@gmail.com>

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2008-04-22 14:45:46 -03:00
parent f0910c7443
commit ddd5441df4
1 changed files with 7 additions and 0 deletions
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7
drivers/media/video/cx88/cx88-dvb.c
View file

@ -461,6 +461,13 @@ 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",