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ipn: remove an unnecessary lazy map init on read path

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It's okay to read from a nil map.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2021-07-11 19:53:23 -07:00
parent 7e7c4c1bbe
commit 22cac33fe7
1 changed files with 0 additions and 3 deletions
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3
ipn/store.go
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@ -67,9 +67,6 @@ func (s *MemoryStore) String() string { return "MemoryStore" }
func (s *MemoryStore) ReadState(id StateKey) ([]byte, error) {
s.mu.Lock()
defer s.mu.Unlock()
if s.cache == nil {
s.cache = map[StateKey][]byte{}
}
bs, ok := s.cache[id]
if !ok {
return nil, ErrStateNotExist