linux-kernel - [PATCH 09/12] IB/ehca: Add check for max #SGE to create

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <200709111533.41250.fenkes@de.ibm.com>
Date:	Tue, 11 Sep 2007 15:33:40 +0200
From:	Joachim Fenkes <fenkes@...ibm.com>
To:	"LinuxPPC-Dev" <linuxppc-dev@...abs.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"OF-General" <general@...ts.openfabrics.org>,
	Roland Dreier <rolandd@...co.com>,
	"OF-EWG" <ewg@...ts.openfabrics.org>
Cc:	"Hoang-Nam Nguyen" <hnguyen@...ibm.com>,
	Christoph Raisch <raisch@...ibm.com>,
	Stefan Roscher <stefan.roscher@...ibm.com>
Subject: [PATCH 09/12] IB/ehca: Add check for max #SGE to create_qp()

Signed-off-by: Joachim Fenkes <fenkes@...ibm.com>
---
 drivers/infiniband/hw/ehca/ehca_qp.c |   14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index d2ab84a..7154f62 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)
-- 
1.5.2


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/