From f99f51db37df1d7e57604240d4adde98274b2958 Mon Sep 17 00:00:00 2001
From: Victor Vieux <victor.vieux@docker.com>
Date: Tue, 1 Apr 2014 00:28:44 +0000
Subject: [PATCH] remove setupDev from libcontainer

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
---
 nsinit/mount.go | 27 ---------------------------
 1 file changed, 27 deletions(-)

diff --git a/nsinit/mount.go b/nsinit/mount.go
index 796143c6..59f4a0e0 100644
--- a/nsinit/mount.go
+++ b/nsinit/mount.go
@@ -62,9 +62,6 @@ func setupNewMountNamespace(rootfs string, bindMounts []libcontainer.Mount, cons
 	}
 	// In non-privileged mode, this fails. Discard the error.
 	setupLoopbackDevices(rootfs)
-	if err := setupDev(rootfs); err != nil {
-		return err
-	}
 	if err := setupPtmx(rootfs, console, mountLabel); err != nil {
 		return err
 	}
@@ -172,30 +169,6 @@ func copyDevNode(rootfs, node string) error {
 	return nil
 }
 
-// setupDev symlinks the current processes pipes into the
-// appropriate destination on the containers rootfs
-func setupDev(rootfs string) error {
-	for _, link := range []struct {
-		from string
-		to   string
-	}{
-		{"/proc/kcore", "/dev/core"},
-		{"/proc/self/fd", "/dev/fd"},
-		{"/proc/self/fd/0", "/dev/stdin"},
-		{"/proc/self/fd/1", "/dev/stdout"},
-		{"/proc/self/fd/2", "/dev/stderr"},
-	} {
-		dest := filepath.Join(rootfs, link.to)
-		if err := os.Remove(dest); err != nil && !os.IsNotExist(err) {
-			return fmt.Errorf("remove %s %s", dest, err)
-		}
-		if err := os.Symlink(link.from, dest); err != nil {
-			return fmt.Errorf("symlink %s %s", dest, err)
-		}
-	}
-	return nil
-}
-
 // setupConsole ensures that the container has a proper /dev/console setup
 func setupConsole(rootfs, console string, mountLabel string) error {
 	oldMask := system.Umask(0000)