Log: Ensure FLAGS=none is -1 (#9287)

diff --git a/modules/log/flags.go b/modules/log/flags.go
index 992fc62ddb6e8c59fafbad23e0931df51353bb90..95950548ece7e441b40d6c05923131aa55d80e23 100644 (file)
--- a/modules/log/flags.go
+++ b/modules/log/flags.go
@@ -60,5 +60,8 @@ func FlagsFromString(from string) int {
                        flags |= f
                }
        }
+       if flags == 0 {
+               return -1
+       }
        return flags
 }