From 95a57394af4a1eec7105e5d58fa90c946c6d4089 Mon Sep 17 00:00:00 2001
From: zeripath <art27@cantab.net>
Date: Sun, 8 Dec 2019 04:36:47 +0000
Subject: [PATCH] Log: Ensure FLAGS=none is -1 (#9287)

---
 modules/log/flags.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/log/flags.go b/modules/log/flags.go
index 992fc62ddb6e..95950548ece7 100644
--- 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
 }