static struct idr *cma_select_ib_ps(struct rdma_id_private *id_priv)
{
	struct idr *ps = NULL;
	struct sockaddr_ib *sib;
	u64 sid_ps, mask, sid;

	sib = (struct sockaddr_ib *) cma_src_addr(id_priv);
	mask = be64_to_cpu(sib->sib_sid_mask) & RDMA_IB_IP_PS_MASK;
	sid = be64_to_cpu(sib->sib_sid) & mask;

	if ((id_priv->id.ps == RDMA_PS_IB) && (sid == (RDMA_IB_IP_PS_IB & mask))) {
		sid_ps = RDMA_IB_IP_PS_IB;
		ps = &ib_ps;
	} else if (((id_priv->id.ps == RDMA_PS_IB) || (id_priv->id.ps == RDMA_PS_TCP)) &&
		   (sid == (RDMA_IB_IP_PS_TCP & mask))) {
		sid_ps = RDMA_IB_IP_PS_TCP;
		ps = &tcp_ps;
	} else if (((id_priv->id.ps == RDMA_PS_IB) || (id_priv->id.ps == RDMA_PS_UDP)) &&
		   (sid == (RDMA_IB_IP_PS_UDP & mask))) {
		sid_ps = RDMA_IB_IP_PS_UDP;
		ps = &udp_ps;
	}

	if (ps) {
		sib->sib_sid = cpu_to_be64(sid_ps | ntohs(cma_port((struct sockaddr *) sib)));
		sib->sib_sid_mask = cpu_to_be64(RDMA_IB_IP_PS_MASK |
						be64_to_cpu(sib->sib_sid_mask));
	}
	return ps;
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.