From 9e2eb0f1cc3c4ef000e139f1d85a20f0e00971e6 Mon Sep 17 00:00:00 2001
From: Dan Walsh <dwalsh@redhat.com>
Date: Tue, 23 Sep 2014 07:46:02 -0400
Subject: [PATCH] --selinux-enabled flag should be ignored on Disabled SELinux
 systems

On Fedora and RHEL we ship selinux-enabled flag in the docker.service config,
but if people setup the /var/lib/docker as btrfs and disable SELinux,
we should not block the daemon from running.

Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
---
 daemon/daemon.go        | 2 +-
 daemon/utils_linux.go   | 4 ++++
 daemon/utils_nolinux.go | 4 ++++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/daemon/daemon.go b/daemon/daemon.go
index 9515a1af11..bf78f10670 100644
--- a/daemon/daemon.go
+++ b/daemon/daemon.go
@@ -775,7 +775,7 @@ func NewDaemonFromDirectory(config *Config, eng *engine.Engine) (*Daemon, error)
 	log.Debugf("Using graph driver %s", driver)
 
 	// As Docker on btrfs and SELinux are incompatible at present, error on both being enabled
-	if config.EnableSelinuxSupport && driver.String() == "btrfs" {
+	if selinuxEnabled() && config.EnableSelinuxSupport && driver.String() == "btrfs" {
 		return nil, fmt.Errorf("SELinux is not supported with the BTRFS graph driver!")
 	}
 
diff --git a/daemon/utils_linux.go b/daemon/utils_linux.go
index bff2a787b1..fb35152f0d 100644
--- a/daemon/utils_linux.go
+++ b/daemon/utils_linux.go
@@ -11,3 +11,7 @@ func selinuxSetDisabled() {
 func selinuxFreeLxcContexts(label string) {
 	selinux.FreeLxcContexts(label)
 }
+
+func selinuxEnabled() bool {
+	return selinux.SelinuxEnabled()
+}
diff --git a/daemon/utils_nolinux.go b/daemon/utils_nolinux.go
index 399376dbd4..25a56ad157 100644
--- a/daemon/utils_nolinux.go
+++ b/daemon/utils_nolinux.go
@@ -7,3 +7,7 @@ func selinuxSetDisabled() {
 
 func selinuxFreeLxcContexts(label string) {
 }
+
+func selinuxEnabled() bool {
+	return false
+}