Merge pull request #12422 from wlan0/logopts

add log opts flag to pass in logging options
Upstream-commit: fe3becee34a93ebffe4a9fbcb0057d2b82242307
Component: engine

components/engine/docker/daemon.go

@@ -32,6 +32,9 @@ var (
 )
 
 func init() {
+	if daemonCfg.LogConfig.Config == nil {
+		daemonCfg.LogConfig.Config = make(map[string]string)
+	}
 	daemonCfg.InstallFlags()
 	registryCfg.InstallFlags()
 }