fs: don't forget to put old mntns in mntns_install

Fixes: 4f757f3 ("make sure that mntns_install() doesn't end up with referral for root") Cc: Al Viro <[email protected]> Signed-off-by: Andrei Vagin <[email protected]> Signed-off-by: Al Viro <[email protected]>
thoughtpolice · Jun 15, 2017 · 4068367 · 4068367
1 parent 81be24d
commit 4068367
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/fs/namespace.c b/fs/namespace.c
@@ -3488,6 +3488,8 @@ static int mntns_install(struct nsproxy *nsproxy, struct ns_common *ns)
 		return err;
 	}
 
+	put_mnt_ns(old_mnt_ns);
+
 	/* Update the pwd and root */
 	set_fs_pwd(fs, &root);
 	set_fs_root(fs, &root);