Update libcontainer to fd0087d3acdc4c5865de1829d4a

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

hack/vendor.sh

@@ -75,7 +75,7 @@ rm -rf src/github.com/docker/distribution
 mkdir -p src/github.com/docker/distribution
 mv tmp-digest src/github.com/docker/distribution/digest
 
-clone git github.com/docker/libcontainer 4a72e540feb67091156b907c4700e580a99f5a9d
+clone git github.com/docker/libcontainer fd0087d3acdc4c5865de1829d4accee5e3ebb658
 # see src/github.com/docker/libcontainer/update-vendor.sh which is the "source of truth" for libcontainer deps (just like this file)
 rm -rf src/github.com/docker/libcontainer/vendor
 eval "$(grep '^clone ' src/github.com/docker/libcontainer/update-vendor.sh | grep -v 'github.com/codegangsta/cli' | grep -v 'github.com/Sirupsen/logrus')"

vendor/src/github.com/docker/libcontainer/cgroups/fs/apply_raw.go

@@ -99,12 +99,11 @@ func (m *Manager) Apply(pid int) error {
 		// created then join consists of writing the process pids to cgroup.procs
 		p, err := d.path(name)
 		if err != nil {
+			if cgroups.IsNotFound(err) {
+				continue
+			}
 			return err
 		}
-		if !cgroups.PathExists(p) {
-			continue
-		}
-
 		paths[name] = p
 	}
 	m.Paths = paths

vendor/src/github.com/docker/libcontainer/cgroups/fs/blkio.go

@@ -17,12 +17,8 @@ type BlkioGroup struct {
 
 func (s *BlkioGroup) Apply(d *data) error {
 	dir, err := d.join("blkio")
-	if err != nil {
+	if err != nil && !cgroups.IsNotFound(err) {
-		if cgroups.IsNotFound(err) {
+		return err
-			return nil
-		} else {
-			return err
-		}
 	}
 
 	if err := s.Set(dir, d.c); err != nil {

vendor/src/github.com/docker/libcontainer/cgroups/fs/cpu.go

@@ -18,11 +18,7 @@ func (s *CpuGroup) Apply(d *data) error {
 	// on a container basis
 	dir, err := d.join("cpu")
 	if err != nil {
-		if cgroups.IsNotFound(err) {
+		return err
-			return nil
-		} else {
-			return err
-		}
 	}
 
 	if err := s.Set(dir, d.c); err != nil {

vendor/src/github.com/docker/libcontainer/cgroups/fs/devices.go

@@ -11,11 +11,7 @@ type DevicesGroup struct {
 func (s *DevicesGroup) Apply(d *data) error {
 	dir, err := d.join("devices")
 	if err != nil {
-		if cgroups.IsNotFound(err) {
+		return err
-			return nil
-		} else {
-			return err
-		}
 	}
 
 	if err := s.Set(dir, d.c); err != nil {

vendor/src/github.com/docker/libcontainer/cgroups/fs/freezer.go

@@ -13,12 +13,8 @@ type FreezerGroup struct {
 
 func (s *FreezerGroup) Apply(d *data) error {
 	dir, err := d.join("freezer")
-	if err != nil {
+	if err != nil && !cgroups.IsNotFound(err) {
-		if cgroups.IsNotFound(err) {
+		return err
-			return nil
-		} else {
-			return err
-		}
 	}
 
 	if err := s.Set(dir, d.c); err != nil {

vendor/src/github.com/docker/libcontainer/cgroups/fs/memory.go

@@ -16,12 +16,9 @@ type MemoryGroup struct {
 
 func (s *MemoryGroup) Apply(d *data) error {
 	dir, err := d.join("memory")
-	if err != nil {
+	// only return an error for memory if it was specified
-		if cgroups.IsNotFound(err) {
+	if err != nil && (d.c.Memory != 0 || d.c.MemoryReservation != 0 || d.c.MemorySwap != 0) {
-			return nil
+		return err
-		} else {
-			return err
-		}
 	}
 	defer func() {
 		if err != nil {

vendor/src/github.com/docker/libcontainer/cgroups/systemd/apply_systemd.go

@@ -91,7 +91,7 @@ func UseSystemd() bool {
 		ddf := newProp("DefaultDependencies", false)
 		if _, err := theConn.StartTransientUnit("docker-systemd-test-default-dependencies.scope", "replace", ddf); err != nil {
 			if dbusError, ok := err.(dbus.Error); ok {
-				if dbusError.Name == "org.freedesktop.DBus.Error.PropertyReadOnly" {
+				if strings.Contains(dbusError.Name, "org.freedesktop.DBus.Error.PropertyReadOnly") {
 					hasTransientDefaultDependencies = false
 				}
 			}

vendor/src/github.com/docker/libcontainer/netlink/netlink_linux.go

@@ -659,7 +659,7 @@ func networkSetNsAction(iface *net.Interface, rtattr *RtAttr) error {
 }
 
 // Move a particular network interface to a particular network namespace
-// specified by PID. This is idential to running: ip link set dev $name netns $pid
+// specified by PID. This is identical to running: ip link set dev $name netns $pid
 func NetworkSetNsPid(iface *net.Interface, nspid int) error {
 	data := uint32Attr(syscall.IFLA_NET_NS_PID, uint32(nspid))
 	return networkSetNsAction(iface, data)
@@ -673,7 +673,7 @@ func NetworkSetNsFd(iface *net.Interface, fd int) error {
 	return networkSetNsAction(iface, data)
 }
 
-// Rname a particular interface to a different name
+// Rename a particular interface to a different name
 // !!! Note that you can't rename an active interface. You need to bring it down before renaming it.
 // This is identical to running: ip link set dev ${oldName} name ${newName}
 func NetworkChangeName(iface *net.Interface, newName string) error {