resolve linter issues

storage/pkg/command/storagemetadata.go

@@ -203,13 +203,15 @@ func StorageMetadata(cfg *config.Config) *cli.Command {
 				})
 			}
 
-			external.RegisterGRPCEndpoint(
+			if err := external.RegisterGRPCEndpoint(
 				ctx,
 				"com.owncloud.storage.metadata",
 				uuid.Must(uuid.NewV4()).String(),
 				cfg.Reva.StorageMetadata.GRPCAddr,
 				logger,
-			)
+			); err != nil {
+				logger.Fatal().Err(err).Msg("failed to register the grpc endpoint")
+			}
 
 			return gr.Run()
 		},

storage/pkg/server/debug/server.go

@@ -34,7 +34,9 @@ func health(cfg *config.Config) func(http.ResponseWriter, *http.Request) {
 
 		// TODO(tboerger): check if services are up and running
 
-		io.WriteString(w, http.StatusText(http.StatusOK))
+		if _, err := io.WriteString(w, http.StatusText(http.StatusOK)); err != nil {
+			panic(err)
+		}
 	}
 }
 
@@ -46,6 +48,8 @@ func ready(cfg *config.Config) func(http.ResponseWriter, *http.Request) {
 
 		// TODO(tboerger): check if services are up and running
 
-		io.WriteString(w, http.StatusText(http.StatusOK))
+		if _, err := io.WriteString(w, http.StatusText(http.StatusOK)); err != nil {
+			panic(err)
+		}
 	}
 }