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Call wg.Add in main goroutine to avoid race conditons. (#3433)

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Signed-off-by: Guangming Wang <guangming.wang@daocloud.io>
This commit is contained in:
Guangming Wang
2019-11-07 23:29:50 +08:00
committed by Miek Gieben
parent 1942746c48
commit 113783ed91
1 changed files with 1 additions and 1 deletions
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2
plugin/transfer/transfer.go
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@@ -109,8 +109,8 @@ func (t Transfer) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg
ch := make(chan *dns.Envelope) ch := make(chan *dns.Envelope)
tr := new(dns.Transfer) tr := new(dns.Transfer)
wg := new(sync.WaitGroup) wg := new(sync.WaitGroup)
go func() {
wg.Add(1) wg.Add(1)
go func() {
tr.Out(w, r, ch) tr.Out(w, r, ch)
wg.Done() wg.Done()
}() }()