onevent: add missing return error (#2525)

bc5df3b3 · johncming · Matt Holt · 1a0292b8 · bc5df3b3
Commit bc5df3b3 authored Mar 16, 2019 by johncming Committed by Matt Holt Mar 15, 2019
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onevent/on.go onevent/on.go +4 -1

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--- a/onevent/on.go
+++ b/onevent/on.go
@@ -20,12 +20,15 @@ func setup(c *caddy.Controller) error {
 	}

 	// Register Event Hooks.
-	c.OncePerServerBlock(func() error {
+	err = c.OncePerServerBlock(func() error {
 		for _, cfg := range config {
 			caddy.RegisterEventHook("on-"+cfg.ID, cfg.Hook)
 		}
 		return nil
 	})
+	if err != nil {
+		return err
+	}

 	return nil
 }