From: Joachim Fenkes Date: Tue, 11 Sep 2007 13:33:40 +0000 (+0200) Subject: IB/ehca: Add check for max #SGE to create_qp() X-Git-Tag: v2.6.24-rc1~1453^2~63 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=b708fba3c2942a175c3cb04a7bb4c89f907b497b;p=linux-2.6-omap-h63xx.git IB/ehca: Add check for max #SGE to create_qp() Signed-off-by: Joachim Fenkes Signed-off-by: Roland Dreier --- diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 88d7dd94603..f95403cb523 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -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)