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ee4d8e455c
Since the tempfile code recently relaxed the rule that tempfile structs (and thus locks) need to hang around forever, we no longer have to leak our lock_file structs. In fact, we don't even need to heap-allocate them anymore, since their lifetime can just match that of the surrounding ref_lock (and if we forget to delete a lock, the effect is the same as before: it will eventually go away at program exit). Note that there is a check in unlock_ref() to only rollback a lock file if it has been allocated. We don't need that check anymore; we zero the ref_lock (and thus the lock_file), so at worst we pass a NULL pointer to delete_tempfile(), which considers that a noop. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>