Use fmt.Errorf instead of errors.New

cmd/runmqserver/mqconfig.go

@@ -16,7 +16,6 @@ limitations under the License.
 package main
 
 import (
-	"errors"
 	"fmt"
 	"io/ioutil"
 	"os/user"
@@ -121,7 +120,7 @@ func logConfig() error {
 			return err
 		}
 	} else {
-		return errors.New(fmt.Sprintf("Unsupported platform: %v", runtime.GOOS))
+		return fmt.Errorf("Unsupported platform: %v", runtime.GOOS)
 	}
 	return nil
 }

cmd/runmqserver/mqconfig_linux.go

@@ -18,7 +18,6 @@ limitations under the License.
 package main
 
 import (
-	"errors"
 	"fmt"
 	"golang.org/x/sys/unix"
 )
@@ -45,7 +44,7 @@ func checkFS(path string) error {
 	t := fsTypes[statfs.Type]
 	switch t {
 	case "aufs", "overlayfs", "tmpfs":
-		return errors.New(fmt.Sprintf("Error: %v uses unsupported filesystem type %v", path, t))
+		return fmt.Errorf("%v uses unsupported filesystem type: %v", path, t)
 	default:
 		log.Printf("Detected %v has filesystem type '%v'", path, t)
 		return nil