Message ID | CAH2r5msHgOcCtP-Qkat7kUNnjYU+QUufuMBJW0krfW1qdh_bog@mail.gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index dc44610..e8b2550 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -375,7 +375,12 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) req->Capabilities = cpu_to_le32(ses->server->vals->req_capabilities); - memcpy(req->ClientGUID, server->client_guid, SMB2_CLIENT_GUID_SIZE); + /* ClientGUID must be zero for SMB2.02 dialect */ + if (ses->server->vals->protocol_id == SMB20_PROT_ID) + memset(req->ClientGUID, 0, SMB2_CLIENT_GUID_SIZE); + else + memcpy(req->ClientGUID, server->client_guid, + SMB2_CLIENT_GUID_SIZE); iov[0].iov_base = (char *)req;