diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 5e71531..5bb4b09 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -59,7 +59,7 @@ static int cifs_calculate_signature(const struct
smb_hdr *cifs_pdu,
 		server->session_key.response, server->session_key.len);

 	crypto_shash_update(&server->secmech.sdescmd5->shash,
-		cifs_pdu->Protocol, cifs_pdu->smb_buf_length);
+		cifs_pdu->Protocol, be32_to_cpu(cifs_pdu->smb_buf_length));

 	rc = crypto_shash_final(&server->secmech.sdescmd5->shash, signature);

diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index b5c8cc5..eac95e2 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -397,9 +397,9 @@
 #define GETU32(var)  (*((__u32 *)var))	/* BB check for endian issues */

 struct smb_hdr {
-	__u32 smb_buf_length;	/* big endian on wire *//* BB length is only two
-		or three bytes - with one or two byte type preceding it that are
-		zero - we could mask the type byte off just in case BB */
+	__be32 smb_buf_length;	/* BB length is only two (rarely three) bytes,
+		with one or two byte "type" preceding it that will be
+		zero - we could mask the type byte off */
 	__u8 Protocol[4];
 	__u8 Command;
 	union {
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 3c72e66..cc3e04f 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -357,6 +357,13 @@ vt2_err:
 	return -EINVAL;
 }

+static void inc_rfc1001_len(void *pSMB, int count)
+{
+	struct smb_hdr *psmb = (struct smb_hdr *)pSMB;
+
+	be32_add_cpu(&pSMB->hdr.smb_buf_length, count);
+}
+
 int
 CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses)
 {
@@ -409,7 +416,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses)
 		count += strlen(protocols[i].name) + 1;
 		/* null at end of source and target buffers anyway */
 	}
-	pSMB->hdr.smb_buf_length += count;
+	inc_rfc1001_len(pSMB, count);
 	pSMB->ByteCount = cpu_to_le16(count);

 	rc = SendReceive(xid, ses, (struct smb_hdr *) pSMB,
@@ -730,7 +737,7 @@ CIFSSMBEcho(struct TCP_Server_Info *server)
 	put_unaligned_le16(1, &smb->EchoCount);
 	put_bcc_le(1, &smb->hdr);
 	smb->Data[0] = 'a';
-	smb->hdr.smb_buf_length += 3;
+	inc_rfc1001_len(smb, 3);

 	rc = cifs_call_async(server, (struct smb_hdr *)smb,
 				cifs_echo_callback, server);
@@ -848,7 +855,7 @@ PsxDelete:
 	pSMB->TotalParameterCount = pSMB->ParameterCount;
 	pSMB->InformationLevel = cpu_to_le16(SMB_POSIX_UNLINK);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -894,7 +901,7 @@ DelFileRetry:
 	pSMB->SearchAttributes =
 	    cpu_to_le16(ATTR_READONLY | ATTR_HIDDEN | ATTR_SYSTEM);
 	pSMB->BufferFormat = 0x04;
-	pSMB->hdr.smb_buf_length += name_len + 1;
+	inc_rfc1001_len(pSMB, name_len + 1);
 	pSMB->ByteCount = cpu_to_le16(name_len + 1);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -938,7 +945,7 @@ RmDirRetry:
 	}

 	pSMB->BufferFormat = 0x04;
-	pSMB->hdr.smb_buf_length += name_len + 1;
+	inc_rfc1001_len(pSMB, name_len + 1);
 	pSMB->ByteCount = cpu_to_le16(name_len + 1);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -981,7 +988,7 @@ MkDirRetry:
 	}

 	pSMB->BufferFormat = 0x04;
-	pSMB->hdr.smb_buf_length += name_len + 1;
+	inc_rfc1001_len(pSMB, name_len + 1);
 	pSMB->ByteCount = cpu_to_le16(name_len + 1);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -1059,7 +1066,7 @@ PsxCreat:
 	pSMB->TotalParameterCount = pSMB->ParameterCount;
 	pSMB->InformationLevel = cpu_to_le16(SMB_POSIX_OPEN);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -1224,7 +1231,7 @@ OldOpenRetry:
 	pSMB->Sattr = cpu_to_le16(ATTR_HIDDEN | ATTR_SYSTEM | ATTR_DIRECTORY);
 	pSMB->OpenFunction = cpu_to_le16(convert_disposition(openDisposition));
 	count += name_len;
-	pSMB->hdr.smb_buf_length += count;
+	inc_rfc1001_len(pSMB, count);

 	pSMB->ByteCount = cpu_to_le16(count);
 	/* long_op set to 1 to allow for oplock break timeouts */
@@ -1337,7 +1344,7 @@ openRetry:
 	    SECURITY_CONTEXT_TRACKING | SECURITY_EFFECTIVE_ONLY;

 	count += name_len;
-	pSMB->hdr.smb_buf_length += count;
+	inc_rfc1001_len(pSMB, count);

 	pSMB->ByteCount = cpu_to_le16(count);
 	/* long_op set to 1 to allow for oplock break timeouts */
@@ -1422,7 +1429,7 @@ CIFSSMBRead(const int xid, struct cifs_tcon
*tcon, const int netfid,
 	}

 	iov[0].iov_base = (char *)pSMB;
-	iov[0].iov_len = pSMB->hdr.smb_buf_length + 4;
+	iov[0].iov_len = be32_to_cpu(pSMB->hdr.smb_buf_length) + 4;
 	rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovecs */,
 			 &resp_buf_type, CIFS_LOG_ERROR);
 	cifs_stats_inc(&tcon->stats.cifs_stats.num_reads);
@@ -1556,7 +1563,7 @@ CIFSSMBWrite(const int xid, struct cifs_tcon *tcon,

 	pSMB->DataLengthLow = cpu_to_le16(bytes_sent & 0xFFFF);
 	pSMB->DataLengthHigh = cpu_to_le16(bytes_sent >> 16);
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);

 	if (wct == 14)
 		pSMB->ByteCount = cpu_to_le16(byte_count);
@@ -1640,11 +1647,12 @@ CIFSSMBWrite2(const int xid, struct cifs_tcon *tcon,

 	pSMB->DataLengthLow = cpu_to_le16(count & 0xFFFF);
 	pSMB->DataLengthHigh = cpu_to_le16(count >> 16);
-	smb_hdr_len = pSMB->hdr.smb_buf_length + 1; /* hdr + 1 byte pad */
+	/* header + 1 byte pad */
+	smb_hdr_len = be32_to_cpu(pSMB->hdr.smb_buf_length) + 1;
 	if (wct == 14)
-		pSMB->hdr.smb_buf_length += count+1;
+		inc_rfc1001_len(pSMB, count + 1);
 	else /* wct == 12 */
-		pSMB->hdr.smb_buf_length += count+5; /* smb data starts later */
+		inc_rfc1001_len(pSMB, count + 5); /* smb data starts later */
 	if (wct == 14)
 		pSMB->ByteCount = cpu_to_le16(count + 1);
 	else /* wct == 12 */ /* bigger pad, smaller smb hdr, keep offset ok */ {
@@ -1744,7 +1752,7 @@ CIFSSMBLock(const int xid, struct cifs_tcon *tcon,
 		/* oplock break */
 		count = 0;
 	}
-	pSMB->hdr.smb_buf_length += count;
+	inc_rfc1001_len(pSMB, count);
 	pSMB->ByteCount = cpu_to_le16(count);

 	if (waitFlag) {
@@ -1835,14 +1843,14 @@ CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon,
 	pSMB->Fid = smb_file_id;
 	pSMB->InformationLevel = cpu_to_le16(SMB_SET_POSIX_LOCK);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	if (waitFlag) {
 		rc = SendReceiveBlockingLock(xid, tcon, (struct smb_hdr *) pSMB,
 			(struct smb_hdr *) pSMBr, &bytes_returned);
 	} else {
 		iov[0].iov_base = (char *)pSMB;
-		iov[0].iov_len = pSMB->hdr.smb_buf_length + 4;
+		iov[0].iov_len = be32_to_cpu(pSMB->hdr.smb_buf_length) + 4;
 		rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovecs */,
 				&resp_buf_type, timeout);
 		pSMB = NULL; /* request buf already freed by SendReceive2. Do
@@ -2008,7 +2016,7 @@ renameRetry:
 	}

 	count = 1 /* 1st signature byte */  + name_len + name_len2;
-	pSMB->hdr.smb_buf_length += count;
+	inc_rfc1001_len(pSMB, count);
 	pSMB->ByteCount = cpu_to_le16(count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -2088,7 +2096,7 @@ int CIFSSMBRenameOpenFile(const int xid, struct
cifs_tcon *pTcon,
 	pSMB->InformationLevel =
 		cpu_to_le16(SMB_SET_FILE_RENAME_INFORMATION);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	rc = SendReceive(xid, pTcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -2155,7 +2163,7 @@ copyRetry:
 	}

 	count = 1 /* 1st signature byte */  + name_len + name_len2;
-	pSMB->hdr.smb_buf_length += count;
+	inc_rfc1001_len(pSMB, count);
 	pSMB->ByteCount = cpu_to_le16(count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -2245,7 +2253,7 @@ createSymLinkRetry:
 	pSMB->DataOffset = cpu_to_le16(offset);
 	pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_LINK);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -2331,7 +2339,7 @@ createHardLinkRetry:
 	pSMB->DataOffset = cpu_to_le16(offset);
 	pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_HLINK);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -2402,7 +2410,7 @@ winCreateHardLinkRetry:
 	}

 	count = 1 /* string type byte */  + name_len + name_len2;
-	pSMB->hdr.smb_buf_length += count;
+	inc_rfc1001_len(pSMB, count);
 	pSMB->ByteCount = cpu_to_le16(count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -2473,7 +2481,7 @@ querySymLinkRetry:
 	pSMB->ParameterCount = pSMB->TotalParameterCount;
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_UNIX_LINK);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -2820,7 +2828,7 @@ queryAclRetry:
 	pSMB->ParameterCount = pSMB->TotalParameterCount;
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_POSIX_ACL);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -2914,7 +2922,7 @@ setAclRetry:
 	pSMB->ParameterCount = cpu_to_le16(params);
 	pSMB->TotalParameterCount = pSMB->ParameterCount;
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -2972,7 +2980,7 @@ GetExtAttrRetry:
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_ATTR_FLAGS);
 	pSMB->Pad = 0;
 	pSMB->Fid = netfid;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->t2.ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -3130,9 +3138,9 @@ CIFSSMBGetCIFSACL(const int xid, struct
cifs_tcon *tcon, __u16 fid,
 	pSMB->AclFlags = cpu_to_le32(CIFS_ACL_OWNER | CIFS_ACL_GROUP |
 				     CIFS_ACL_DACL);
 	pSMB->ByteCount = cpu_to_le16(11); /* 3 bytes pad + 8 bytes parm */
-	pSMB->hdr.smb_buf_length += 11;
+	inc_rfc1001_len(pSMB, 11);
 	iov[0].iov_base = (char *)pSMB;
-	iov[0].iov_len = pSMB->hdr.smb_buf_length + 4;
+	iov[0].iov_len = be32_to_cpu(pSMB->hdr.smb_buf_length) + 4;

 	rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovec */, &buf_type,
 			 0);
@@ -3241,10 +3249,9 @@ setCifsAclRetry:
 		memcpy((char *) &pSMBr->hdr.Protocol + data_offset,
 			(char *) pntsd,
 			acllen);
-		pSMB->hdr.smb_buf_length += (byte_count + data_count);
-
+		inc_rfc1001_len(pSMB, byte_count + data_count);
 	} else
-		pSMB->hdr.smb_buf_length += byte_count;
+		inc_rfc1001_len(pSMB, byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 		(struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -3295,7 +3302,7 @@ QInfRetry:
 	}
 	pSMB->BufferFormat = 0x04;
 	name_len++; /* account for buffer type byte */
-	pSMB->hdr.smb_buf_length += (__u16) name_len;
+	inc_rfc1001_len(pSMB, (__u16)name_len);
 	pSMB->ByteCount = cpu_to_le16(name_len);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -3370,7 +3377,7 @@ QFileInfoRetry:
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_ALL_INFO);
 	pSMB->Pad = 0;
 	pSMB->Fid = netfid;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -3457,7 +3464,7 @@ QPathInfoRetry:
 	else
 		pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_ALL_INFO);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -3538,7 +3545,7 @@ UnixQFileInfoRetry:
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_UNIX_BASIC);
 	pSMB->Pad = 0;
 	pSMB->Fid = netfid;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -3623,7 +3630,7 @@ UnixQPathInfoRetry:
 	pSMB->ParameterCount = pSMB->TotalParameterCount;
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_UNIX_BASIC);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -3737,7 +3744,7 @@ findFirstRetry:

 	/* BB what should we set StorageType to? Does it matter? BB */
 	pSMB->SearchStorageType = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -3866,7 +3873,7 @@ int CIFSFindNext(const int xid, struct cifs_tcon *tcon,
 	byte_count = params + 1 /* pad */ ;
 	pSMB->TotalParameterCount = cpu_to_le16(params);
 	pSMB->ParameterCount = pSMB->TotalParameterCount;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -4028,7 +4035,7 @@ GetInodeNumberRetry:
 	pSMB->ParameterCount = pSMB->TotalParameterCount;
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_INTERNAL_INFO);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -4252,7 +4259,7 @@ getDFSRetry:
 	pSMB->ParameterCount = cpu_to_le16(params);
 	pSMB->TotalParameterCount = pSMB->ParameterCount;
 	pSMB->MaxReferralLevel = cpu_to_le16(3);
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, ses, (struct smb_hdr *) pSMB,
@@ -4326,7 +4333,7 @@ oldQFSInfoRetry:
 	pSMB->Reserved3 = 0;
 	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
 	pSMB->InformationLevel = cpu_to_le16(SMB_INFO_ALLOCATION);
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -4405,7 +4412,7 @@ QFSInfoRetry:
 	pSMB->Reserved3 = 0;
 	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FS_SIZE_INFO);
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -4485,7 +4492,7 @@ QFSAttributeRetry:
 	pSMB->Reserved3 = 0;
 	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FS_ATTRIBUTE_INFO);
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -4556,7 +4563,7 @@ QFSDeviceRetry:
 	pSMB->Reserved3 = 0;
 	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FS_DEVICE_INFO);
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -4625,7 +4632,7 @@ QFSUnixRetry:
 	pSMB->Reserved3 = 0;
 	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_CIFS_UNIX_INFO);
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -4708,7 +4715,7 @@ SETFSUnixRetry:
 	pSMB->ClientUnixMinor = cpu_to_le16(CIFS_UNIX_MINOR_VERSION);
 	pSMB->ClientUnixCap = cpu_to_le64(cap);

-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -4770,7 +4777,7 @@ QFSPosixRetry:
 	pSMB->Reserved3 = 0;
 	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
 	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_POSIX_FS_INFO);
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -4896,7 +4903,7 @@ SetEOFRetry:
 	pSMB->ParameterCount = cpu_to_le16(params);
 	pSMB->TotalParameterCount = pSMB->ParameterCount;
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	parm_data->FileSize = cpu_to_le64(size);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -4975,7 +4982,7 @@ CIFSSMBSetFileSize(const int xid, struct
cifs_tcon *tcon, __u64 size,
 				cpu_to_le16(SMB_SET_FILE_END_OF_FILE_INFO);
 	}
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	rc = SendReceiveNoRsp(xid, tcon->ses, (struct smb_hdr *) pSMB, 0);
 	if (rc) {
@@ -5043,7 +5050,7 @@ CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon,
 	else
 		pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_BASIC_INFO);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	memcpy(data_offset, data, sizeof(FILE_BASIC_INFO));
 	rc = SendReceiveNoRsp(xid, tcon->ses, (struct smb_hdr *) pSMB, 0);
@@ -5102,7 +5109,7 @@ CIFSSMBSetFileDisposition(const int xid, struct
cifs_tcon *tcon,
 	pSMB->Fid = fid;
 	pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_DISPOSITION_INFO);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	*data_offset = delete_file ? 1 : 0;
 	rc = SendReceiveNoRsp(xid, tcon->ses, (struct smb_hdr *) pSMB, 0);
@@ -5175,7 +5182,7 @@ SetTimesRetry:
 	else
 		pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_BASIC_INFO);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	memcpy(data_offset, data, sizeof(FILE_BASIC_INFO));
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -5227,7 +5234,7 @@ SetAttrLgcyRetry:
 	}
 	pSMB->attr = cpu_to_le16(dos_attrs);
 	pSMB->BufferFormat = 0x04;
-	pSMB->hdr.smb_buf_length += name_len + 1;
+	inc_rfc1001_len(pSMB, name_len + 1);
 	pSMB->ByteCount = cpu_to_le16(name_len + 1);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
@@ -5332,7 +5339,7 @@ CIFSSMBUnixSetFileInfo(const int xid, struct
cifs_tcon *tcon,
 	pSMB->Fid = fid;
 	pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_BASIC);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	cifs_fill_unix_set_info(data_offset, args);
@@ -5408,7 +5415,7 @@ setPermsRetry:
 	pSMB->TotalDataCount = pSMB->DataCount;
 	pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_BASIC);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);

 	cifs_fill_unix_set_info(data_offset, args);

@@ -5493,7 +5500,7 @@ QAllEAsRetry:
 	pSMB->ParameterCount = pSMB->TotalParameterCount;
 	pSMB->InformationLevel = cpu_to_le16(SMB_INFO_QUERY_ALL_EAS);
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);

 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
@@ -5706,7 +5713,7 @@ SetEARetry:
 	pSMB->ParameterCount = cpu_to_le16(params);
 	pSMB->TotalParameterCount = pSMB->ParameterCount;
 	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
+	inc_rfc1001_len(pSMB, byte_count);
 	pSMB->ByteCount = cpu_to_le16(byte_count);
 	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index c19f00a..19d7898 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -320,12 +320,12 @@ static int coalesce_t2(struct smb_hdr *psecond,
struct smb_hdr *pTargetSMB)
 	byte_count += total_in_buf2;
 	put_bcc_le(byte_count, pTargetSMB);

-	byte_count = pTargetSMB->smb_buf_length;
+	byte_count = be32_to_cpu(pTargetSMB->smb_buf_length);
 	byte_count += total_in_buf2;

 	/* BB also add check that we are not beyond maximum buffer size */

-	pTargetSMB->smb_buf_length = byte_count;
+	pTargetSMB->smb_buf_length = cpu_to_be32(byte_count);

 	if (remaining == total_in_buf2) {
 		cFYI(1, "found the last secondary response");
@@ -490,8 +490,7 @@ incomplete_rcv:
 		/* Note that FC 1001 length is big endian on the wire,
 		but we convert it here so it is always manipulated
 		as host byte order */
-		pdu_length = be32_to_cpu((__force __be32)smb_buffer->smb_buf_length);
-		smb_buffer->smb_buf_length = pdu_length;
+		pdu_length = be32_to_cpu(smb_buffer->smb_buf_length);

 		cFYI(1, "rfc1002 length 0x%x", pdu_length+4);

@@ -2299,7 +2298,7 @@ ip_rfc1001_connect(struct TCP_Server_Info *server)
 		smb_buf = (struct smb_hdr *)ses_init_buf;

 		/* sizeof RFC1002_SESSION_REQUEST with no scope */
-		smb_buf->smb_buf_length = 0x81000044;
+		smb_buf->smb_buf_length = cpu_to_be32(0x81000044);
 		rc = smb_send(server, smb_buf, 0x44);
 		kfree(ses_init_buf);
 		/*
@@ -3097,7 +3096,8 @@ CIFSTCon(unsigned int xid, struct cifs_ses *ses,
 	bcc_ptr += strlen("?????");
 	bcc_ptr += 1;
 	count = bcc_ptr - &pSMB->Password[0];
-	pSMB->hdr.smb_buf_length += count;
+	pSMB->hdr.smb_buf_length = cpu_to_be32(be32_to_cpu(
+					pSMB->hdr.smb_buf_length) + count);
 	pSMB->ByteCount = cpu_to_le16(count);

 	rc = SendReceive(xid, ses, smb_buffer, smb_buffer_response, &length,
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 1640a6e..6863acf 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -304,12 +304,10 @@ header_assemble(struct smb_hdr *buffer, char
smb_command /* command */ ,

 	memset(temp, 0, 256); /* bigger than MAX_CIFS_HDR_SIZE */

-	buffer->smb_buf_length =
+	buffer->smb_buf_length = cpu_to_be32(
 	    (2 * word_count) + sizeof(struct smb_hdr) -
 	    4 /*  RFC 1001 length field does not count */  +
-	    2 /* for bcc field itself */ ;
-	/* Note that this is the only network field that has to be converted
-	   to big endian and it is done just before we send it */
+	    2 /* for bcc field itself */) ;

 	buffer->Protocol[0] = 0xFF;
 	buffer->Protocol[1] = 'S';
@@ -424,7 +422,7 @@ check_smb_hdr(struct smb_hdr *smb, __u16 mid)
 int
 checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length)
 {
-	__u32 len = smb->smb_buf_length;
+	__u32 len = be32_to_cpu(smb->smb_buf_length);
 	__u32 clc_len;  /* calculated length */
 	cFYI(0, "checkSMB Length: 0x%x, smb_buf_length: 0x%x", length, len);

diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index e982890..6b140e1 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -634,7 +634,7 @@ ssetup_ntlmssp_authenticate:
 	and rest of bcc area. This allows us to avoid
 	a large buffer 17K allocation */
 	iov[0].iov_base = (char *)pSMB;
-	iov[0].iov_len = smb_buf->smb_buf_length + 4;
+	iov[0].iov_len = be32_to_cpu(smb_buf->smb_buf_length) + 4;

 	/* setting this here allows the code at the end of the function
 	   to free the request buffer if there's an error */
@@ -872,7 +872,8 @@ ssetup_ntlmssp_authenticate:
 	iov[2].iov_len = (long) bcc_ptr - (long) str_area;

 	count = iov[1].iov_len + iov[2].iov_len;
-	smb_buf->smb_buf_length += count;
+	smb_buf->smb_buf_length =
+		cpu_to_be32(be32_to_cpu(smb_buf->smb_buf_length) + count);

 	put_bcc_le(count, smb_buf);

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 1a2930d..fd43ac6 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -129,7 +129,7 @@ smb_sendv(struct TCP_Server_Info *server, struct
kvec *iov, int n_vec)
 	unsigned int len = iov[0].iov_len;
 	unsigned int total_len;
 	int first_vec = 0;
-	unsigned int smb_buf_length = smb_buffer->smb_buf_length;
+	unsigned int smb_buf_length = be32_to_cpu(smb_buffer->smb_buf_length);
 	struct socket *ssocket = server->ssocket;

