3.16.49-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Sachin Prabhu <sprabhu@xxxxxxxxxx> commit d171356ff11ab1825e456dfb979755e01b3c54a1 upstream. Patch a6b5058 results in -EREMOTE returned by is_path_accessible() in cifs_mount() to be ignored which breaks DFS mounting. Signed-off-by: Sachin Prabhu <sprabhu@xxxxxxxxxx> Reviewed-by: Aurelien Aptel <aaptel@xxxxxxxx> Signed-off-by: Steve French <smfrench@xxxxxxxxx> Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> --- fs/cifs/connect.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -3638,14 +3638,16 @@ remote_path_check: goto mount_fail_check; } - rc = cifs_are_all_path_components_accessible(server, + if (rc != -EREMOTE) { + rc = cifs_are_all_path_components_accessible(server, xid, tcon, cifs_sb, full_path); - if (rc != 0) { - cifs_dbg(VFS, "cannot query dirs between root and final path, " - "enabling CIFS_MOUNT_USE_PREFIX_PATH\n"); - cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH; - rc = 0; + if (rc != 0) { + cifs_dbg(VFS, "cannot query dirs between root and final path, " + "enabling CIFS_MOUNT_USE_PREFIX_PATH\n"); + cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH; + rc = 0; + } } kfree(full_path); }