From 02d20442a5a5f5e1d3f1ef8e6fb14945462bc36c Mon Sep 17 00:00:00 2001
From: Huang Huang <mozillazg101@gmail.com>
Date: Sun, 11 Apr 2021 11:29:15 +0800
Subject: [PATCH] Fix staticcheck failures for
 vendor/k8s.io/client-go/transport (#100429)

* Fix staticcheck failures for vendor/k8s.io/client-go/transport

* avoid the possibility of a hang
---
 hack/.staticcheck_failures                            |  1 -
 .../k8s.io/client-go/transport/token_source_test.go   | 11 +++++++++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/hack/.staticcheck_failures b/hack/.staticcheck_failures
index fae15bb1e50..91385fed8f7 100644
--- a/hack/.staticcheck_failures
+++ b/hack/.staticcheck_failures
@@ -22,4 +22,3 @@ vendor/k8s.io/apiserver/pkg/util/webhook
 vendor/k8s.io/apiserver/pkg/util/wsstream
 vendor/k8s.io/client-go/rest
 vendor/k8s.io/client-go/rest/watch
-vendor/k8s.io/client-go/transport
diff --git a/staging/src/k8s.io/client-go/transport/token_source_test.go b/staging/src/k8s.io/client-go/transport/token_source_test.go
index 2c55b2df02f..956ea7c5353 100644
--- a/staging/src/k8s.io/client-go/transport/token_source_test.go
+++ b/staging/src/k8s.io/client-go/transport/token_source_test.go
@@ -140,16 +140,23 @@ func TestCachingTokenSourceRace(t *testing.T) {
 
 		var wg sync.WaitGroup
 		wg.Add(100)
+		errc := make(chan error, 100)
 
 		for i := 0; i < 100; i++ {
 			go func() {
 				defer wg.Done()
 				if _, err := ts.Token(); err != nil {
-					t.Fatalf("err: %v", err)
+					errc <- err
 				}
 			}()
 		}
-		wg.Wait()
+		go func() {
+			wg.Wait()
+			close(errc)
+		}()
+		if err, ok := <-errc; ok {
+			t.Fatalf("err: %v", err)
+		}
 		if tts.calls != 1 {
 			t.Errorf("expected one call to Token() but saw: %d", tts.calls)
 		}