Hello,
I have been trying to get the FusionHDTV Dual Digital 4 working in
Australia. I haven't had any luck so far (even with Roger's recent
firmware) but I have discovered a bug with the xc3028 tuner from
v4l-dvb-experimental when compiled with CONFIG_DVB_CORE_ATTACH. It
boils down to this section of code in dvb_frontend_detach():
if (fe->ops.tuner_ops.release) {
fe->ops.tuner_ops.release(fe);
symbol_put_addr(fe->ops.tuner_ops.release);
}
This will cause xc3028_release() to get called when using xc3028-tuner.
The problem is that will free the data (as expected) and then set:
t->release=NULL;
After it returns it will cause symbol_put_addr() to get called with a
NULL address!
The fix is either to remove the line which sets t->release to NULL or to
take a temporary copy of the pointer as is done for fe->ops.release,
i.e.:
ptr = (void*)fe->ops.tuner_ops.release;
if (ptr) {
fe->ops.tuner_ops.release(fe);
symbol_put_addr(ptr);
}
On another note, when trying to upload certain firmware files with
v4l-dvb-experimental, I get ETIMEOUT errors in my kernel log (dvb-usb:
bulk message failed: -110 (5/0)). Is anyone else seeing this? It seems
to happen only for very small uploads.
Daniel
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