small_smb_init_no_tc(const int smb_command, const int wct,
		     struct cifs_ses *ses, void **request_buf)
{
	int rc;
	struct smb_hdr *buffer;

	rc = small_smb_init(smb_command, wct, NULL, request_buf);
	if (rc)
		return rc;

	buffer = (struct smb_hdr *)*request_buf;
	buffer->Mid = GetNextMid(ses->server);
	if (ses->capabilities & CAP_UNICODE)
		buffer->Flags2 |= SMBFLG2_UNICODE;
	if (ses->capabilities & CAP_STATUS32)
		buffer->Flags2 |= SMBFLG2_ERR_STATUS;

	/* uid, tid can stay at zero as set in header assemble */

	/* BB add support for turning on the signing when
	this function is used after 1st of session setup requests */

	return rc;
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.