net: move and export get_net_ns_by_pid

[pandora-kernel.git] / net / core / rtnetlink.c

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index d78030f..b44775f 100644 (file)
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -35,7 +35,6 @@
 #include <linux/security.h>
 #include <linux/mutex.h>
 #include <linux/if_addr.h>
-#include <linux/nsproxy.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -52,6 +51,7 @@
 #include <net/pkt_sched.h>
 #include <net/fib_rules.h>
 #include <net/rtnetlink.h>
+#include <net/net_namespace.h>
 
 struct rtnl_link
 {
@@ -725,25 +725,6 @@ static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
        [IFLA_INFO_DATA]        = { .type = NLA_NESTED },
 };
 
-static struct net *get_net_ns_by_pid(pid_t pid)
-{
-       struct task_struct *tsk;
-       struct net *net;
-
-       /* Lookup the network namespace */
-       net = ERR_PTR(-ESRCH);
-       rcu_read_lock();
-       tsk = find_task_by_vpid(pid);
-       if (tsk) {
-               struct nsproxy *nsproxy;
-               nsproxy = task_nsproxy(tsk);
-               if (nsproxy)
-                       net = get_net(nsproxy->net_ns);
-       }
-       rcu_read_unlock();
-       return net;
-}
-
 static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
 {
        if (dev) {