V4L/DVB (3741): Budget-core doesn't check if register adapter fails
If you have more than DVB_MAX_ADAPTERS in your machine, this causes an oops.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/ttpci/budget-core.c b/drivers/media/dvb/ttpci/budget-core.c
index ea2066d..d8af690 100644
--- a/drivers/media/dvb/ttpci/budget-core.c
+++ b/drivers/media/dvb/ttpci/budget-core.c
@@ -400,7 +400,9 @@
budget->dev->name, budget->buffer_width, budget->buffer_height);
printk("%s: dma buffer size %u\n", budget->dev->name, budget->buffer_size);
- dvb_register_adapter(&budget->dvb_adapter, budget->card->name, owner);
+ if ((ret = dvb_register_adapter(&budget->dvb_adapter, budget->card->name, owner)) < 0) {
+ return ret;
+ }
/* set dd1 stream a & b */
saa7146_write(dev, DD1_STREAM_B, 0x00000000);