enable unparam linter

The unparam linter is useful to detect unused function parameters and
return values.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

1 files changed, 3 insertions, 6 deletions

diff --git a/test/testvol/main.go b/test/testvol/main.go
index d15bf00cd..00b462eb2 100644
--- a/test/testvol/main.go
+++ b/test/testvol/main.go
@@ -86,10 +86,7 @@ func startServer(socketPath string) error {
 		}
 	}
 
-	handle, err := makeDirDriver(config.path)
-	if err != nil {
-		return errors.Wrapf(err, "error making volume driver")
-	}
+	handle := makeDirDriver(config.path)
 	logrus.Infof("Using %s for volume path", config.path)
 
 	server := volume.NewHandler(handle)
@@ -116,12 +113,12 @@ type dirVol struct {
 }
 
 // Make a new DirDriver.
-func makeDirDriver(path string) (volume.Driver, error) {
+func makeDirDriver(path string) volume.Driver {
 	drv := new(DirDriver)
 	drv.volumesPath = path
 	drv.volumes = make(map[string]*dirVol)
 
-	return drv, nil
+	return drv
 }
 
 // Capabilities returns the capabilities of the driver.