Signed-off-by: Pavel Shilovsky <pshilov...@samba.org>
---
 fs/cifs/cifsglob.h  |    5 +++++
 fs/cifs/cifsproto.h |    8 ++++----
 fs/cifs/cifssmb.c   |    3 +--
 fs/cifs/connect.c   |    9 +++++----
 fs/cifs/smb1ops.c   |   12 ++++++++++++
 5 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 3215026..e045c31 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -162,6 +162,7 @@ struct TCP_Server_Info;
 struct cifsFileInfo;
 struct cifs_ses;
 struct cifs_tcon;
+struct dfs_info3_param;
 
 struct smb_version_operations {
        int (*send_cancel)(struct TCP_Server_Info *, void *,
@@ -208,6 +209,10 @@ struct smb_version_operations {
                            struct cifs_tcon *, const struct nls_table *);
        /* close tree connecion */
        int (*tree_disconnect)(const int, struct cifs_tcon *);
+       /* get DFS referrals */
+       int (*get_dfs_refer)(const int, struct cifs_ses *, const char *,
+                            struct dfs_info3_param **, unsigned int *,
+                            const struct nls_table *, int);
 };
 
 struct smb_version_values {
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 6152571..8b5f2a6 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -223,10 +223,10 @@ extern int CIFSSMBUnixQPathInfo(const int xid,
                        const struct nls_table *nls_codepage, int remap);
 
 extern int CIFSGetDFSRefer(const int xid, struct cifs_ses *ses,
-                       const unsigned char *searchName,
-                       struct dfs_info3_param **target_nodes,
-                       unsigned int *number_of_nodes_in_array,
-                       const struct nls_table *nls_codepage, int remap);
+                          const char *searchName,
+                          struct dfs_info3_param **target_nodes,
+                          unsigned int *num_of_nodes,
+                          const struct nls_table *nls_codepage, int remap);
 
 extern int get_dfs_path(int xid, struct cifs_ses *pSesInfo,
                        const char *old_path,
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index c3bfe9a..13e1c7f 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -4741,8 +4741,7 @@ parse_DFS_referrals_exit:
 }
 
 int
-CIFSGetDFSRefer(const int xid, struct cifs_ses *ses,
-               const unsigned char *searchName,
+CIFSGetDFSRefer(const int xid, struct cifs_ses *ses, const char *searchName,
                struct dfs_info3_param **target_nodes,
                unsigned int *num_of_nodes,
                const struct nls_table *nls_codepage, int remap)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index d6fc429..5e62b3a 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2772,7 +2772,7 @@ get_dfs_path(int xid, struct cifs_ses *ses, const char 
*old_path,
        char *temp_unc;
        int rc = 0;
 
-       if (!ses->server->ops->tree_connect)
+       if (!ses->server->ops->tree_connect || !ses->server->ops->get_dfs_refer)
                return -ENOSYS;
 
        *num_referrals = 0;
@@ -2794,11 +2794,12 @@ get_dfs_path(int xid, struct cifs_ses *ses, const char 
*old_path,
                kfree(temp_unc);
        }
        if (rc == 0)
-               rc = CIFSGetDFSRefer(xid, ses, old_path, referrals,
-                                    num_referrals, nls_codepage, remap);
+               rc = ses->server->ops->get_dfs_refer(xid, ses, old_path,
+                                                    referrals, num_referrals,
+                                                    nls_codepage, remap);
        /*
         * BB - map targetUNCs to dfs_info3 structures, here or in
-        * CIFSGetDFSRefer.
+        * ses->server->ops->get_dfs_refer.
         */
 
        return rc;
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index cd7fbfd..fc17951 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -410,6 +410,17 @@ cifs_negotiate(const int xid, struct cifs_ses *ses)
        return rc;
 }
 
+static int
+cifs_get_dfs_refer(const int xid, struct cifs_ses *ses, const char 
*search_name,
+                  struct dfs_info3_param **target_nodes,
+                  unsigned int *num_of_nodes,
+                  const struct nls_table *nls_codepage, int remap)
+{
+       return CIFSGetDFSRefer(xid, ses, search_name, target_nodes,
+                              num_of_nodes, nls_codepage, remap);
+       /* BB map targetUNCs to dfs_info3 here or in CIFSGetDFSRefer. */
+}
+
 struct smb_version_operations smb1_operations = {
        .send_cancel = send_nt_cancel,
        .compare_fids = cifs_compare_fids,
@@ -434,6 +445,7 @@ struct smb_version_operations smb1_operations = {
        .logoff = CIFSSMBLogoff,
        .tree_connect = CIFSTCon,
        .tree_disconnect = CIFSSMBTDis,
+       .get_dfs_refer = cifs_get_dfs_refer,
 };
 
 struct smb_version_values smb1_values = {
-- 
1.7.1

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