Added deferred cancel to prevent context leaks

helper/stats/cpu.go

@@ -37,7 +37,8 @@ func Init() error {
 		}
 
 		var cpuInfo []cpu.InfoStat
-		ctx, _ := context.WithTimeout(context.Background(), cpuInfoTimeout)
+		ctx, cancel := context.WithTimeout(context.Background(), cpuInfoTimeout)
+		defer cancel()
 		if cpuInfo, err = cpu.InfoWithContext(ctx); err != nil {
 			merrs = multierror.Append(merrs, fmt.Errorf("Unable to obtain CPU information: %v", err))
 		}