On Mon, Jul 27, 2009 at 01:39:03PM +0200, Oliver Hartkopp wrote: > Oliver Hartkopp wrote: > > Dave Young wrote: > >> On Sat, Jul 25, 2009 at 01:10:46PM +0100, Alan Cox wrote: > >>>>> tty_register_device appears to have been called with a NULL pointer. Not > >>>>> sure why however. > >>>> if that is the pointer for the struct device, then that used to be fine > >>>> in the past. Not all RFCOMM device have a parent when they are created. > >>> The tty layer doesn't care about the struct device really. Nothing there > >>> has changed. The NULL passed appears to be the driver argument. > >> Agree with you, because in rfcomm_init, rfcomm thread run before tty initilized, the following patch may fix the problem. > >> oliver, could you verify it it fix your problem? > > > > Hi Dave, > > > > i get this problem really seldom on my Laptop and i did not manage to get a > > reproducible Oops of that problem. > > > > Anyway the code you are pointing to seems to have a problem and your added > > error handling looks good to me - even if i don't know if the initializations > > can be reordered in that way. > > > > I'll try your patch, but it could take a *long* time to prove it right ;-) > > > > Just FYI: > > Your patch compiled, the system booted without problems and nothing is broken > so far. I checked the BT, WLAN and BT dial-up with success. So it looks good > to me. Thanks for the testing. Marcel, could you take a look? > > Regards, > Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html