cifs: Update patch based on Pavels feedback

cifs: Update patch based on Pavels feedback

[Ronnie Sahlberg]

There was a bug in the computation of total_len that Pavel reported.
This is the updated patch.

[PATCH 12/19] cifs: remove rfc1002 header from smb2_lock_req

[Ronnie Sahlberg]

Signed-off-by: Ronnie Sahlberg <lsahlber-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
---
 fs/cifs/smb2pdu.c | 13 ++++++-------
 fs/cifs/smb2pdu.h |  2 +-
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index c1dd5961cf3f..5896fcc4c7e4 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -3521,34 +3521,33 @@ smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon,
 	int resp_buf_type;
 	unsigned int count;
 	int flags = CIFS_NO_RESP;
+	unsigned int total_len;
 
 	cifs_dbg(FYI, "smb2_lockv num lock %d\n", num_lock);
 
-	rc = small_smb2_init(SMB2_LOCK, tcon, (void **) &req);
+	rc = smb2_plain_req_init(SMB2_LOCK, tcon, (void **) &req, &total_len);
 	if (rc)
 		return rc;
 
 	if (encryption_required(tcon))
 		flags |= CIFS_TRANSFORM_REQ;
 
-	req->hdr.sync_hdr.ProcessId = cpu_to_le32(pid);
+	req->sync_hdr.ProcessId = cpu_to_le32(pid);
 	req->LockCount = cpu_to_le16(num_lock);
 
 	req->PersistentFileId = persist_fid;
 	req->VolatileFileId = volatile_fid;
 
 	count = num_lock * sizeof(struct smb2_lock_element);
-	inc_rfc1001_len(req, count - sizeof(struct smb2_lock_element));
 
 	iov[0].iov_base = (char *)req;
-	/* 4 for rfc1002 length field and count for all locks */
-	iov[0].iov_len = get_rfc1002_length(req) + 4 - count;
+	iov[0].iov_len = total_len - sizeof(struct smb2_lock_element);
 	iov[1].iov_base = (char *)buf;
 	iov[1].iov_len = count;
 
 	cifs_stats_inc(&tcon->stats.cifs_stats.num_locks);
-	rc = SendReceive2(xid, tcon->ses, iov, 2, &resp_buf_type, flags,
-			  &rsp_iov);
+	rc = smb2_send_recv(xid, tcon->ses, iov, 2, &resp_buf_type, flags,
+			    &rsp_iov);
 	cifs_small_buf_release(req);
 	if (rc) {
 		cifs_dbg(FYI, "Send error in smb2_lockv = %d\n", rc);
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index a8102e5f4ebb..0c33fc8cce71 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -907,7 +907,7 @@ struct smb2_lock_element {
 } __packed;
 
 struct smb2_lock_req {
-	struct smb2_hdr hdr;
+	struct smb2_sync_hdr sync_hdr;
 	__le16 StructureSize; /* Must be 48 */
 	__le16 LockCount;
 	__le32 Reserved;
-- 
2.13.3