Ensure the parallel dial invariant

diff --git a/client.go b/client.go
index d1d25288e400fa979109cd2bff402a6259439542..049136bf5811f2039fc21949738fa60f3558aeda 100644 (file)
--- a/client.go
+++ b/client.go
@@ -366,6 +366,9 @@ type dialResult struct {
 
 func doDial(dial func() (net.Conn, error), ch chan dialResult, utp bool) {
        conn, err := dial()
+       if err != nil {
+               conn = nil // Pedantic
+       }
        ch <- dialResult{conn, utp}
        if err == nil {
                successfulDials.Add(1)