clientconn: fix potential deadlock caused by ResetConnectBackoff (#3051)

grpc · Sep 27, 2019 · e351044 · e351044
1 parent 1950dc9
commit e351044
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/clientconn.go b/clientconn.go
@@ -875,8 +875,9 @@ func (cc *ClientConn) resolveNow(o resolver.ResolveNowOption) {
 // This API is EXPERIMENTAL.
 func (cc *ClientConn) ResetConnectBackoff() {
 	cc.mu.Lock()
-	defer cc.mu.Unlock()
-	for ac := range cc.conns {
+	conns := cc.conns
+	cc.mu.Unlock()
+	for ac := range conns {
 		ac.resetConnectBackoff()
 	}
 }