Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

[pandora-kernel.git] / kernel / nsproxy.c

diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 6ebdb82..e2ce748 100644 (file)
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -17,8 +17,9 @@
 #include <linux/version.h>
 #include <linux/nsproxy.h>
 #include <linux/init_task.h>
-#include <linux/namespace.h>
+#include <linux/mnt_namespace.h>
 #include <linux/utsname.h>
+#include <linux/pid_namespace.h>
 
 struct nsproxy init_nsproxy = INIT_NSPROXY(init_nsproxy);
 
@@ -44,10 +45,10 @@ static inline struct nsproxy *clone_namespaces(struct nsproxy *orig)
 {
        struct nsproxy *ns;
 
-       ns = kmalloc(sizeof(struct nsproxy), GFP_KERNEL);
+       ns = kmemdup(orig, sizeof(struct nsproxy), GFP_KERNEL);
        if (ns) {
-               memcpy(ns, orig, sizeof(struct nsproxy));
                atomic_set(&ns->count, 1);
+               ns->id = -1;
        }
        return ns;
 }
@@ -62,12 +63,14 @@ struct nsproxy *dup_namespaces(struct nsproxy *orig)
        struct nsproxy *ns = clone_namespaces(orig);
 
        if (ns) {
-               if (ns->namespace)
-                       get_namespace(ns->namespace);
+               if (ns->mnt_ns)
+                       get_mnt_ns(ns->mnt_ns);
                if (ns->uts_ns)
                        get_uts_ns(ns->uts_ns);
                if (ns->ipc_ns)
                        get_ipc_ns(ns->ipc_ns);
+               if (ns->pid_ns)
+                       get_pid_ns(ns->pid_ns);
        }
 
        return ns;
@@ -99,7 +102,7 @@ int copy_namespaces(int flags, struct task_struct *tsk)
 
        tsk->nsproxy = new_ns;
 
-       err = copy_namespace(flags, tsk);
+       err = copy_mnt_ns(flags, tsk);
        if (err)
                goto out_ns;
 
@@ -111,16 +114,23 @@ int copy_namespaces(int flags, struct task_struct *tsk)
        if (err)
                goto out_ipc;
 
+       err = copy_pid_ns(flags, tsk);
+       if (err)
+               goto out_pid;
+
 out:
        put_nsproxy(old_ns);
        return err;
 
+out_pid:
+       if (new_ns->ipc_ns)
+               put_ipc_ns(new_ns->ipc_ns);
 out_ipc:
        if (new_ns->uts_ns)
                put_uts_ns(new_ns->uts_ns);
 out_uts:
-       if (new_ns->namespace)
-               put_namespace(new_ns->namespace);
+       if (new_ns->mnt_ns)
+               put_mnt_ns(new_ns->mnt_ns);
 out_ns:
        tsk->nsproxy = old_ns;
        kfree(new_ns);
@@ -129,11 +139,13 @@ out_ns:
 
 void free_nsproxy(struct nsproxy *ns)
 {
-               if (ns->namespace)
-                       put_namespace(ns->namespace);
-               if (ns->uts_ns)
-                       put_uts_ns(ns->uts_ns);
-               if (ns->ipc_ns)
-                       put_ipc_ns(ns->ipc_ns);
-               kfree(ns);
+       if (ns->mnt_ns)
+               put_mnt_ns(ns->mnt_ns);
+       if (ns->uts_ns)
+               put_uts_ns(ns->uts_ns);
+       if (ns->ipc_ns)
+               put_ipc_ns(ns->ipc_ns);
+       if (ns->pid_ns)
+               put_pid_ns(ns->pid_ns);
+       kfree(ns);
 }