cifs: initialize ->tlink_tree in cifs_setup_cifs_sb()

no need to wait until cifs_read_super() and we need it done
by the time cifs_mount() will be called.

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 3011ac8c9249..9f09adf51edc 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2663,6 +2663,9 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
 {
         INIT_DELAYED_WORK(&cifs_sb->prune_tlinks, cifs_prune_tlinks);
 
+        spin_lock_init(&cifs_sb->tlink_tree_lock);
+        cifs_sb->tlink_tree = RB_ROOT;
+
         if (pvolume_info->rsize > CIFSMaxBufSize) {
                 cERROR(1, "rsize %d too large, using MaxBufSize",
                         pvolume_info->rsize);