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-rw-r--r--drivers/media/video/cx88/cx88-dvb.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index cf6b9b05f496..d72b817bf886 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -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",
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