Lennart Poettering
6374862615
Previously, when doing an async PK query we'd store the original callback/userdata pair and call it again after the PK request is complete. This is problematic, since PK queries might be slow and in the meantime the userdata might be released and re-acquired. Let's avoid this by always traversing through the message handlers so that we always re-resolve the callback and userdata pair and thus can be sure it's up-to-date and properly valid.
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