1 files changed, 6 insertions, 0 deletions

diff --git a/fs/namespace.c b/fs/namespace.c
index cf2cc234c8b4..8a0e90eb81d3 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -3368,10 +3368,16 @@ static int mntns_install(struct nsproxy *nsproxy, struct ns_common *ns)
         return 0;
 }
 
+static struct user_namespace *mntns_owner(struct ns_common *ns)
+{
+        return to_mnt_ns(ns)->user_ns;
+}
+
 const struct proc_ns_operations mntns_operations = {
         .name           = "mnt",
         .type           = CLONE_NEWNS,
         .get            = mntns_get,
         .put            = mntns_put,
         .install        = mntns_install,
+        .owner          = mntns_owner,
 };