swap order of waiting for read and write

johnstcn · johnstcn · commit 5163ed5b6bd3 · 2023-04-27T16:48:20.000+01:00
diff --git a/cli/trafficgen.go b/cli/trafficgen.go
@@ -96,12 +96,12 @@ func (r *RootCmd) trafficGen() *clibase.Cmd {
 				close(wch)
 			}()
 
-			if rErr := <-rch; rErr != nil {
-				return xerrors.Errorf("read from pty: %w", rErr)
-			}
 			if wErr := <-wch; wErr != nil {
 				return xerrors.Errorf("write to pty: %w", wErr)
 			}
+			if rErr := <-rch; rErr != nil {
+				return xerrors.Errorf("read from pty: %w", rErr)
+			}
 
 			_, _ = fmt.Fprintf(inv.Stdout, "Test results:\n")
 			_, _ = fmt.Fprintf(inv.Stdout, "Took:     %.2fs\n", time.Since(start).Seconds())
