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cifs: remove rfc1002 header from smb2_tree_connect_req
authorRonnie Sahlberg <lsahlber@redhat.com>
Thu, 9 Nov 2017 01:14:23 +0000 (12:14 +1100)
committerSteve French <smfrench@gmail.com>
Thu, 25 Jan 2018 01:49:04 +0000 (19:49 -0600)
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
fs/cifs/smb2pdu.c
fs/cifs/smb2pdu.h

index d00d7da..db74104 100644 (file)
@@ -1276,6 +1276,7 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
        int unc_path_len;
        __le16 *unc_path = NULL;
        int flags = 0;
+       unsigned int total_len;
 
        cifs_dbg(FYI, "TCON\n");
 
@@ -1297,7 +1298,8 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
        if (tcon)
                tcon->tid = 0;
 
-       rc = small_smb2_init(SMB2_TREE_CONNECT, tcon, (void **) &req);
+       rc = smb2_plain_req_init(SMB2_TREE_CONNECT, tcon, (void **) &req,
+                            &total_len);
        if (rc) {
                kfree(unc_path);
                return rc;
@@ -1308,26 +1310,24 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
                        flags |= CIFS_TRANSFORM_REQ;
 
                /* since no tcon, smb2_init can not do this, so do here */
-               req->hdr.sync_hdr.SessionId = ses->Suid;
+               req->sync_hdr.SessionId = ses->Suid;
                if (ses->server->sign)
-                       req->hdr.sync_hdr.Flags |= SMB2_FLAGS_SIGNED;
+                       req->sync_hdr.Flags |= SMB2_FLAGS_SIGNED;
        } else if (encryption_required(tcon))
                flags |= CIFS_TRANSFORM_REQ;
 
        iov[0].iov_base = (char *)req;
-       /* 4 for rfc1002 length field and 1 for pad */
-       iov[0].iov_len = get_rfc1002_length(req) + 4 - 1;
+       /* 1 for pad */
+       iov[0].iov_len = total_len - 1;
 
        /* Testing shows that buffer offset must be at location of Buffer[0] */
        req->PathOffset = cpu_to_le16(sizeof(struct smb2_tree_connect_req)
-                       - 1 /* pad */ - 4 /* do not count rfc1001 len field */);
+                       - 1 /* pad */);
        req->PathLength = cpu_to_le16(unc_path_len - 2);
        iov[1].iov_base = unc_path;
        iov[1].iov_len = unc_path_len;
 
-       inc_rfc1001_len(req, unc_path_len - 1 /* pad */);
-
-       rc = SendReceive2(xid, ses, iov, 2, &resp_buftype, flags, &rsp_iov);
+       rc = smb2_send_recv(xid, ses, iov, 2, &resp_buftype, flags, &rsp_iov);
        cifs_small_buf_release(req);
        rsp = (struct smb2_tree_connect_rsp *)rsp_iov.iov_base;
 
index b22bf8c..f708f97 100644 (file)
@@ -323,7 +323,7 @@ struct smb2_logoff_rsp {
 #define SMB2_SHAREFLAG_CLUSTER_RECONNECT       0x0001
 
 struct smb2_tree_connect_req {
-       struct smb2_hdr hdr;
+       struct smb2_sync_hdr sync_hdr;
        __le16 StructureSize;   /* Must be 9 */
        __le16 Reserved; /* Flags in SMB3.1.1 */
        __le16 PathOffset;