Simplify wait for cache sync

Author: djzager

pkg/cache/internal/informers_map.go

@@ -182,19 +182,9 @@ func (ip *specificInformersMap) Get(ctx context.Context, gvk schema.GroupVersion
 	}
 
 	if started && !i.Informer.HasSynced() {
-		syncReturn := make(chan bool, 1 /* don't leak goroutines on timeout */)
-		go func() {
-			syncReturn <- cache.WaitForCacheSync(ctx.Done(), i.Informer.HasSynced)
-		}()
-
-		// Wait for it to sync before returning the Informer so that folks don't read from a stale cache.
-		select {
-		case <-ctx.Done():
+		syncSuccess := cache.WaitForCacheSync(ctx.Done(), i.Informer.HasSynced)
+		if !syncSuccess {
 			return started, nil, apierrors.NewTimeoutError(fmt.Sprintf("timeout waiting for %T Informer to sync", obj), 0)
-		case syncSuccess := <-syncReturn:
-			if !syncSuccess {
-				return started, nil, fmt.Errorf("failed waiting for %T Informer to sync", obj)
-			}
 		}
 	}