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389775d1f6
Peter reported a lock error on MacOS after my a82d593b patch. migrate_get_current does one-time initialisation of a bunch of variables. migrate_init does reinitialisation even on a 2nd migrate after a cancel. The problem here was that I'd initialised the mutex in migrate_get_current, and the memset in migrate_init corrupted it. Remove the memset and replace it by explicit initialisation of fields that need initialising; this also turns out to be simpler than the old code that had to preserve some fields. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Fixes: a82d593b Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>