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IB/core: Avoid SGID attributes query while converting GID from OPA to IB 

SGID attributes are not used during OPA to IB GID conversion.
Therefore don't query it.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Parav Pandit 2018-01-28 11:25:31 +02:00 committed by Jason Gunthorpe
parent b081808a66
commit 708ea056b3
1 changed files with 1 additions and 3 deletions
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4
drivers/infiniband/core/cm.c
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@ -1577,15 +1577,13 @@ static void cm_opa_to_ib_sgid(struct cm_work *work,
struct sa_path_rec *path) struct sa_path_rec *path)
{ {
struct ib_device *dev = work->port->cm_dev->ib_device; struct ib_device *dev = work->port->cm_dev->ib_device;
struct ib_gid_attr gid_attr;
u8 port_num = work->port->port_num; u8 port_num = work->port->port_num;
if (rdma_cap_opa_ah(dev, port_num) && if (rdma_cap_opa_ah(dev, port_num) &&
(ib_is_opa_gid(&path->sgid))) { (ib_is_opa_gid(&path->sgid))) {
union ib_gid sgid; union ib_gid sgid;
if (ib_get_cached_gid(dev, port_num, 0, if (ib_get_cached_gid(dev, port_num, 0, &sgid, NULL)) {
&sgid, &gid_attr)) {
dev_warn(&dev->dev, dev_warn(&dev->dev,
"Error updating sgid in CM request\n"); "Error updating sgid in CM request\n");
return; return;