core: Return default logger if no modules loaded

Fix report from:
https://caddy.community/t/remote-caddyfile-invalid-memory-address-or-nil-pointer-dereference/19700/3

1 files changed, 3 insertions, 0 deletions

diff --git a/context.go b/context.go
index fcefad1..615192c 100644
--- a/context.go
+++ b/context.go
@@ -480,6 +480,9 @@ func (ctx Context) Logger(module ...Module) *zap.Logger {
 	if len(module) > 0 {
 		mod = module[0]
 	}
+	if mod == nil {
+		return Log()
+	}
 	return ctx.cfg.Logging.Logger(mod)
 }