Ah, I had this bug too.
My guess is the patch only fixes that problem for new characters.
However, I had this glitch and I didn't wait for the fix, so here's my work around. Hopefully this exploit still works.
Step 1.
Platters. Many. Head to windhelm grab all of em there, head to riften grab all of em there.
Step 2. Head to
Tolvald's Cave. I think that's what it's called.
Step 3. Look up a YouTube Walkthrough of the quest to find out where you'll need to use these platters.
Basically, there's a cave in that blocks the player from proceeding unless the quest parameters have been met. What you'll want to do, is drop one platter, line it up with the cave in, and sprint at it. Try it a few times and eventually you'll glitch through allowing yourself access to the next part of the quest. Grab what you need there, then the hard part. Getting out. The cave in is still present. You'll need to use the platters again to glitch yourself out.
Good luck!