From: Paulo Alcantara pc@cjr.nz
commit 507345b5ae6a57b7ecd7550ff39282ed20de7b8d upstream.
When there is no cached DFS referral of tcon->dfs_path, then reconnect to same share.
Signed-off-by: Paulo Alcantara (SUSE) pc@cjr.nz Cc: stable@vger.kernel.org Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/cifs/connect.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
--- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -4185,7 +4185,8 @@ int cifs_tree_connect(const unsigned int if (!tree) return -ENOMEM;
- if (!tcon->dfs_path) { + /* If it is not dfs or there was no cached dfs referral, then reconnect to same share */ + if (!tcon->dfs_path || dfs_cache_noreq_find(tcon->dfs_path + 1, &ref, &tl)) { if (tcon->ipc) { scnprintf(tree, MAX_TREE_SIZE, "\\%s\IPC$", server->hostname); rc = ops->tree_connect(xid, tcon->ses, tree, tcon, nlsc); @@ -4195,9 +4196,6 @@ int cifs_tree_connect(const unsigned int goto out; }
- rc = dfs_cache_noreq_find(tcon->dfs_path + 1, &ref, &tl); - if (rc) - goto out; isroot = ref.server_type == DFS_TYPE_ROOT; free_dfs_info_param(&ref);