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authorJack Morgenstein <jackm@mellanox.co.il>2006-01-06 01:13:46 +0100
committerRoland Dreier <rolandd@cisco.com>2006-01-06 01:13:46 +0100
commit38d1e793471d95728219f500bbb8bd25658d73b0 (patch)
treea3d0ee4441434481109e56c5a26fd46ff4acfa21
parentIB/mthca: check return value in mthca_dev_lim call (diff)
downloadlinux-38d1e793471d95728219f500bbb8bd25658d73b0.tar.xz
linux-38d1e793471d95728219f500bbb8bd25658d73b0.zip
IB/mthca: check port validity in modify_qp
Modify_qp should check that the physical port number provided is a legal value. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index d786ef443614..ea45fa400fab 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -621,6 +621,12 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
return -EINVAL;
}
+ if ((attr_mask & IB_QP_PORT) &&
+ (attr->port_num == 0 || attr->port_num > dev->limits.num_ports)) {
+ mthca_dbg(dev, "Port number (%u) is invalid\n", attr->port_num);
+ return -EINVAL;
+ }
+
if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC &&
attr->max_rd_atomic > dev->limits.max_qp_init_rdma) {
mthca_dbg(dev, "Max rdma_atomic as initiator %u too large (max is %d)\n",