From: Ronnie Sahlberg <lsahlber@redhat.com>
Date: Mon, 9 Apr 2018 18:06:27 +1000
Subject: [PATCH] cifs: replace a 4 with server->vals->header_preamble_size
Git-commit: 9fdd2e0034393d6c63f830a60f6332c66927f2ff
Patch-mainline: v4.17-rc1
References: bsc#1144333
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Acked-by: Aurelien Aptel <aaptel@suse.com>
---
fs/cifs/smb2pdu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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));
--
2.16.4