> So, this code handled all my stress-testing well so far. I'll try to > think of some more ideas until this evening, but likely I will apply it > later. Nonetheless, more review eyes are still welcome! Ah yes, I now recalled why I had the gut feeling that this solution is not complete. See this mail thread from 2015: https://lkml.iu.edu/hypermail/linux/kernel/1501.2/01700.html There are still drivers using i2c_del_adapter()+kfree(), so removing the completion could cause use-after-free there, or?
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