1 files changed, 15 insertions, 1 deletions

diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index f5b9ee6f6bbb..7b05bce75cde 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -117,7 +117,7 @@ int copy_namespaces(int flags, struct task_struct *tsk)
                 goto out_pid;
 
 out:
-        put_nsproxy(old_ns);
+        put_and_finalize_nsproxy(old_ns);
         return err;
 
 out_pid:
@@ -135,6 +135,20 @@ out_ns:
         goto out;
 }
 
+struct nsproxy *put_nsproxy(struct nsproxy *ns)
+{
+        if (ns) {
+                if (atomic_dec_and_test(&ns->count)) {
+                        if (ns->mnt_ns) {
+                                put_mnt_ns(ns->mnt_ns);
+                                ns->mnt_ns = NULL;
+                        }
+                        return ns;
+                }
+        }
+        return NULL;
+}
+
 void free_nsproxy(struct nsproxy *ns)
 {
         if (ns->mnt_ns)