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J. Nick Koston
cce95ff58c
Fix two pre-existing bugs found during review of #14398: 1. bind() returns 0 on nullptr name instead of -1, inconsistent with POSIX bind() semantics and can mask invalid calls. 2. listen() doesn't re-register tcp_err after tcp_listen_with_backlog reallocates the PCB. The error callback was set during init() on the original PCB which is now freed, leaving the new listen PCB without an error handler.
