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Commit b708fba3 authored by Joachim Fenkes's avatar Joachim Fenkes Committed by Roland Dreier
Browse files

IB/ehca: Add check for max #SGE to create_qp() 



Signed-off-by: default avatarJoachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 86dce445

drivers/infiniband/hw/ehca/ehca_qp.c

+13 −1
Original line number Diff line number Diff line
@@ -513,7 +513,7 @@ static struct ehca_qp *internal_create_qp( 
			} else if (init_attr->cap.max_send_wr > 255) {

				ehca_err(pd->device,

					 "Invalid Number of "

					 "ax_send_wr=%x for UD QP_TYPE=%x",

					 "max_send_wr=%x for UD QP_TYPE=%x",

					 init_attr->cap.max_send_wr, qp_type);

				return ERR_PTR(-EINVAL);

			}
@@ -524,6 +524,18 @@ static struct ehca_qp *internal_create_qp( 
			return ERR_PTR(-EINVAL);

			break;

		}

	} else {

		int max_sge = (qp_type == IB_QPT_UD || qp_type == IB_QPT_SMI

			       || qp_type == IB_QPT_GSI) ? 250 : 252;



		if (init_attr->cap.max_send_sge > max_sge

		    || init_attr->cap.max_recv_sge > max_sge) {

			ehca_err(pd->device, "Invalid number of SGEs requested "

				 "send_sge=%x recv_sge=%x max_sge=%x",

				 init_attr->cap.max_send_sge,

				 init_attr->cap.max_recv_sge, max_sge);

			return ERR_PTR(-EINVAL);

		}

	}



	if (pd->uobject && udata)