ceph: don't allow access to MDS-private inodes

[linux-2.6-microblaze.git] / fs / ceph / inode.c

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 8b96370..8c6811e 100644 (file)
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -56,6 +56,9 @@ struct inode *ceph_get_inode(struct super_block *sb, struct ceph_vino vino)
 {
        struct inode *inode;
 
+       if (ceph_vino_is_reserved(vino))
+               return ERR_PTR(-EREMOTEIO);
+
        inode = iget5_locked(sb, (unsigned long)vino.ino, ceph_ino_compare,
                             ceph_set_ino_cb, &vino);
        if (!inode)