Hi, On 1/25/21 1:40 PM, Johannes Berg wrote: > Hi, > >>> I don't have that much sympathy for a staging driver that's clearly >>> doing things differently than it was intended (the documentation states >>> that the function should be called only before wiphy_register(), not >>> during ndo_open). :-) >> >> I completely understand and I already was worried that this might be >> a staging-driver issue, which is why I mentioned this was with a >> staging driver in the more detailed bug-report email. > > I guess I missed that, but no worries. > >>> But OTOH, that fix to the driver is simple and looks correct to me since >>> it only ever has a static regdomain, and the notifier does the work of >>> applying it to the channels as well. >> >> So I've given your fix a quick try and it leads to a NULL pointer deref. > > Ouch. Oh. I see, that driver is *really* stupid, trying to get to the > wiphy from the adapter, but going through the wdev instead ... ouch. > > Wow are these pointers a mess in that driver ... Something like this, > perhaps? > > https://p.sipsolutions.net/4400d9a3b7b800bb.txt
Yes this fixes things, thank you that saves me from having to debug the NULL ptr deref. Do you want to submit this to Greg, or shall I (I've already added it to me local tree as a commit with you as the author) ? If you want me to submit it upstream, may I have / add your S-o-b for this ? Regards, Hans
