From: Ronnie Sahlberg <lsahlber@redhat.com>
Date: Mon, 9 Apr 2018 08:06:27 +0000 (+1000)
Subject: cifs: replace a 4 with server->vals->header_preamble_size
X-Git-Tag: v4.17-rc1~2^2~5
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=9fdd2e0034393d6c63f830a60f6332c66927f2ff;p=users%2Fhch%2Fmisc.git

cifs: replace a 4 with server->vals->header_preamble_size

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
---

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));