85 static int smb2_get_data_area_len(unsigned int *off, unsigned int *len,  in smb2_get_data_area_len()  argument
91 	*len = 0;  in smb2_get_data_area_len()
101 		*len = le16_to_cpu(((struct smb2_sess_setup_req *)hdr)->SecurityBufferLength);  in smb2_get_data_area_len()
107 		*len = le16_to_cpu(((struct smb2_tree_connect_req *)hdr)->PathLength);  in smb2_get_data_area_len()
121 			*len = le32_to_cpu(((struct smb2_create_req *)  in smb2_get_data_area_len()
126 			if (name_off + name_len < (u64)*off + *len)  in smb2_get_data_area_len()
131 		*len = name_len;  in smb2_get_data_area_len()
138 		*len = le32_to_cpu(((struct smb2_query_info_req *)hdr)->InputBufferLength);  in smb2_get_data_area_len()
144 		*len = le32_to_cpu(((struct smb2_set_info_req *)hdr)->BufferLength);  in smb2_get_data_area_len()
148 		*len = le16_to_cpu(((struct smb2_read_req *)hdr)->ReadChannelInfoLength);  in smb2_get_data_area_len()
156 			*len = le32_to_cpu(((struct smb2_write_req *)hdr)->Length);  in smb2_get_data_area_len()
161 		*len = le16_to_cpu(((struct smb2_write_req *)hdr)->WriteChannelInfoLength);  in smb2_get_data_area_len()
167 		*len = le16_to_cpu(((struct smb2_query_directory_req *)hdr)->FileNameLength);  in smb2_get_data_area_len()
176 			*len = sizeof(struct smb2_lock_element) * lock_count;  in smb2_get_data_area_len()
184 		*len = le32_to_cpu(((struct smb2_ioctl_req *)hdr)->InputCount);  in smb2_get_data_area_len()
194 	} else if ((u64)*off + *len > MAX_STREAM_PROT_LEN) {  in smb2_get_data_area_len()
196 			    MAX_STREAM_PROT_LEN, (u64)*off + *len);  in smb2_get_data_area_len()
207 static int smb2_calc_size(void *buf, unsigned int *len)  in smb2_calc_size()  argument
216 	*len = le16_to_cpu(hdr->StructureSize);  in smb2_calc_size()
222 	*len += le16_to_cpu(pdu->StructureSize2);  in smb2_calc_size()
230 		*len -= sizeof(struct smb2_lock_element);  in smb2_calc_size()
248 		if (offset + 1 < *len) {  in smb2_calc_size()
251 				    offset + 1, *len);  in smb2_calc_size()
255 		*len = offset + data_length;  in smb2_calc_size()
259 	ksmbd_debug(SMB, "SMB2 len %u\n", *len);  in smb2_calc_size()
374 	__u32 len = get_rfc1002_len(work->request_buf);  in ksmbd_smb2_check_message()  local
377 	if ((u64)work->next_smb2_rcv_hdr_off + next_cmd > len) {  in ksmbd_smb2_check_message()
384 		len = next_cmd;  in ksmbd_smb2_check_message()
386 		len -= work->next_smb2_rcv_hdr_off;  in ksmbd_smb2_check_message()
420 	if (req_struct_size > len + 1)  in ksmbd_smb2_check_message()
426 	if (len != clc_len) {  in ksmbd_smb2_check_message()
428 		if (clc_len == len + 1)  in ksmbd_smb2_check_message()
435 		if (ALIGN(clc_len, 8) == len)  in ksmbd_smb2_check_message()
451 		if (clc_len < len && (len - clc_len) <= 8)  in ksmbd_smb2_check_message()
456 			    len, clc_len, command,  in ksmbd_smb2_check_message()