Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
---
fs/cifs/smb2pdu.c | 42 ++++++++++++++++++++----------------------
fs/cifs/smb2pdu.h | 2 +-
2 files changed, 21 insertions(+), 23 deletions(-)
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 5dc0ec2cad1e..b0d4e9d15e29 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2469,7 +2469,7 @@ smb2_new_read_req(void **buf, unsigned int *total_len,
struct smb2_sync_hdr *shdr;
rc = smb2_plain_req_init(SMB2_READ, io_parms->tcon, (void **) &req,
- total_len);
+ total_len);
if (rc)
return rc;
if (io_parms->tcon->ses->server == NULL)
@@ -2679,7 +2679,7 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
iov[0].iov_base = &req_len;
iov[0].iov_len = sizeof(__be32);
- iov[1].iov_base = req;
+ iov[1].iov_base = (char *)req;
iov[1].iov_len = total_len;
rc = cifs_send_recv(xid, ses, &rqst, &resp_buftype, flags, &rsp_iov);
@@ -2784,8 +2784,10 @@ smb2_async_writev(struct cifs_writedata *wdata,
struct TCP_Server_Info *server = tcon->ses->server;
struct kvec iov[2];
struct smb_rqst rqst = { };
+ unsigned int total_len;
+ __be32 rfc1002_marker;
- rc = small_smb2_init(SMB2_WRITE, tcon, (void **) &req);
+ rc = smb2_plain_req_init(SMB2_WRITE, tcon, (void **) &req, &total_len);
if (rc) {
if (rc == -EAGAIN && wdata->credits) {
/* credits was reset by reconnect */
@@ -2801,7 +2803,7 @@ smb2_async_writev(struct cifs_writedata *wdata,
if (encryption_required(tcon))
flags |= CIFS_TRANSFORM_REQ;
- shdr = get_sync_hdr(req);
+ shdr = (struct smb2_sync_hdr *)req;
shdr->ProcessId = cpu_to_le32(wdata->cfile->pid);
req->PersistentFileId = wdata->cfile->fid.persistent_fid;
@@ -2810,16 +2812,16 @@ smb2_async_writev(struct cifs_writedata *wdata,
req->WriteChannelInfoLength = 0;
req->Channel = 0;
req->Offset = cpu_to_le64(wdata->offset);
- /* 4 for rfc1002 length field */
req->DataOffset = cpu_to_le16(
- offsetof(struct smb2_write_req, Buffer) - 4);
+ offsetof(struct smb2_write_req, Buffer));
req->RemainingBytes = 0;
/* 4 for rfc1002 length field and 1 for Buffer */
iov[0].iov_len = 4;
- iov[0].iov_base = req;
- iov[1].iov_len = get_rfc1002_length(req) - 1;
- iov[1].iov_base = (char *)req + 4;
+ rfc1002_marker = cpu_to_be32(total_len - 1 + wdata->bytes);
+ iov[0].iov_base = &rfc1002_marker;
+ iov[1].iov_len = total_len - 1;
+ iov[1].iov_base = (char *)req;
rqst.rq_iov = iov;
rqst.rq_nvec = 2;
@@ -2833,8 +2835,6 @@ smb2_async_writev(struct cifs_writedata *wdata,
req->Length = cpu_to_le32(wdata->bytes);
- inc_rfc1001_len(&req->hdr, wdata->bytes - 1 /* Buffer */);
-
if (wdata->credits) {
shdr->CreditCharge = cpu_to_le16(DIV_ROUND_UP(wdata->bytes,
SMB2_MAX_BUFFER_SIZE));
@@ -2877,13 +2877,15 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
int resp_buftype;
struct kvec rsp_iov;
int flags = 0;
+ unsigned int total_len;
*nbytes = 0;
if (n_vec < 1)
return rc;
- rc = small_smb2_init(SMB2_WRITE, io_parms->tcon, (void **) &req);
+ rc = smb2_plain_req_init(SMB2_WRITE, io_parms->tcon, (void **) &req,
+ &total_len);
if (rc)
return rc;
@@ -2893,7 +2895,7 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
if (encryption_required(io_parms->tcon))
flags |= CIFS_TRANSFORM_REQ;
- req->hdr.sync_hdr.ProcessId = cpu_to_le32(io_parms->pid);
+ req->sync_hdr.ProcessId = cpu_to_le32(io_parms->pid);
req->PersistentFileId = io_parms->persistent_fid;
req->VolatileFileId = io_parms->volatile_fid;
@@ -2902,20 +2904,16 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
req->Channel = 0;
req->Length = cpu_to_le32(io_parms->length);
req->Offset = cpu_to_le64(io_parms->offset);
- /* 4 for rfc1002 length field */
req->DataOffset = cpu_to_le16(
- offsetof(struct smb2_write_req, Buffer) - 4);
+ offsetof(struct smb2_write_req, Buffer));
req->RemainingBytes = 0;
iov[0].iov_base = (char *)req;
- /* 4 for rfc1002 length field and 1 for Buffer */
- iov[0].iov_len = get_rfc1002_length(req) + 4 - 1;
-
- /* length of entire message including data to be written */
- inc_rfc1001_len(req, io_parms->length - 1 /* Buffer */);
+ /* 1 for Buffer */
+ iov[0].iov_len = total_len - 1;
- rc = SendReceive2(xid, io_parms->tcon->ses, iov, n_vec + 1,
- &resp_buftype, flags, &rsp_iov);
+ rc = SendReceive3(xid, io_parms->tcon->ses, iov, n_vec + 1,
+ &resp_buftype, flags, &rsp_iov);
cifs_small_buf_release(req);
rsp = (struct smb2_write_rsp *)rsp_iov.iov_base;
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 0c33fc8cce71..3c856f058be7 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -868,7 +868,7 @@ struct smb2_read_rsp {
#define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */
struct smb2_write_req {
- struct smb2_hdr hdr;
+ struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 49 */
__le16 DataOffset; /* offset from start of SMB2 header to write data */
__le32 Length;
--
2.13.3
--
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