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ipn: add missing locking in LocalBackend.NetMap 

Looks like it's only used by tests.
This commit is contained in:
Brad Fitzpatrick 2020-06-24 13:55:56 -07:00
parent 2a8e064705
commit 5bc29e7388
1 changed files with 2 additions and 0 deletions
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2
ipn/local.go
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@ -769,6 +769,8 @@ func (b *LocalBackend) doSetHostinfoFilterServices(hi *tailcfg.Hostinfo) {
// NetMap returns the latest cached network map received from // NetMap returns the latest cached network map received from
// controlclient, or nil if no network map was received yet. // controlclient, or nil if no network map was received yet.
func (b *LocalBackend) NetMap() *controlclient.NetworkMap { func (b *LocalBackend) NetMap() *controlclient.NetworkMap {
b.mu.Lock()
defer b.mu.Unlock()
return b.netMap return b.netMap
} }