1 files changed, 1 insertions, 1 deletions

diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index e01be06d588e..5cbdddcafaec 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1131,7 +1131,7 @@ SMB2_sess_auth_rawntlmssp_negotiate(struct SMB2_sess_data *sess_data)
         if (rc)
                 goto out;
 
-        if (offsetof(struct smb2_sess_setup_rsp, Buffer) - 4 !=
+        if (offsetof(struct smb2_sess_setup_rsp, Buffer) - ses->server->vals->header_preamble_size !=
                         le16_to_cpu(rsp->SecurityBufferOffset)) {
                 cifs_dbg(VFS, "Invalid security buffer offset %d\n",
                         le16_to_cpu(rsp->SecurityBufferOffset));