From: Ronnie Sahlberg <lsahlber@redhat.com>
Date: Tue, 29 Jan 2019 02:46:16 +0000 (+1000)
Subject: cifs: fix computation for MAX_SMB2_HDR_SIZE
X-Git-Tag: v4.20.16~116
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=16ea4c74a8a3ea0c4da20cd491b9e4a73b724db1;p=thirdparty%2Fkernel%2Fstable.git

cifs: fix computation for MAX_SMB2_HDR_SIZE

[ Upstream commit 58d15ed1203f4d858c339ea4d7dafa94bd2a56d3 ]

The size of the fixed part of the create response is 88 bytes not 56.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 5671d5ee7f58f..eaf39fb71f8b8 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -84,8 +84,8 @@
 
 #define NUMBER_OF_SMB2_COMMANDS	0x0013
 
-/* 4 len + 52 transform hdr + 64 hdr + 56 create rsp */
-#define MAX_SMB2_HDR_SIZE 0x00b0
+/* 52 transform hdr + 64 hdr + 88 create rsp */
+#define MAX_SMB2_HDR_SIZE 204
 
 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)