Fix linting issues for exec mounter

pkg/volume/util/exec/exec_mount.go

@@ -34,6 +34,8 @@ type execMounter struct {
 	exec           mount.Exec
 }
 
+// NewExecMounter returns a mounter that uses provided Exec interface to mount and
+// unmount a filesystem. For all other calls it uses a wrapped mounter.
 func NewExecMounter(exec mount.Exec, wrapped mount.Interface) mount.Interface {
 	return &execMounter{
 		wrappedMounter: wrapped,
@@ -66,7 +68,7 @@ func (m *execMounter) doExecMount(source, target, fstype string, options []strin
 	output, err := m.exec.Run("mount", mountArgs...)
 	klog.V(5).Infof("Exec mounted %v: %v: %s", mountArgs, err, string(output))
 	if err != nil {
-		return fmt.Errorf("mount failed: %v\nMounting command: %s\nMounting arguments: %s %s %s %v\nOutput: %s\n",
+		return fmt.Errorf("mount failed: %v\nMounting command: %s\nMounting arguments: %s %s %s %v\nOutput: %s",
 			err, "mount", source, target, fstype, options, string(output))
 	}
 

pkg/volume/util/exec/exec_mount_unsupported.go

@@ -27,7 +27,7 @@ import (
 
 type execMounter struct{}
 
-// ExecMounter is a mounter that uses provided Exec interface to mount and
+// NewExecMounter returns a mounter that uses provided Exec interface to mount and
 // unmount a filesystem. For all other calls it uses a wrapped mounter.
 func NewExecMounter(exec mount.Exec, wrapped mount.Interface) mount.Interface {
 	return &execMounter{}
@@ -85,7 +85,7 @@ func (mounter *execMounter) ExistsPath(pathname string) (bool, error) {
 	return true, errors.New("not implemented")
 }
 
-func (m *execMounter) EvalHostSymlinks(pathname string) (string, error) {
+func (mounter *execMounter) EvalHostSymlinks(pathname string) (string, error) {
 	return "", errors.New("not implemented")
 }