linux-kernel - [PATCH rdma-next 6/8] IB/opa_vnic: Move to client

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Message-Id: <20210405055000.215792-7-leon@kernel.org>
Date:   Mon,  5 Apr 2021 08:49:58 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>
Cc:     Parav Pandit <parav@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Karsten Graul <kgraul@...ux.ibm.com>,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
        linux-s390@...r.kernel.org,
        Mike Marciniszyn <mike.marciniszyn@...nelisnetworks.com>,
        netdev@...r.kernel.org, rds-devel@....oracle.com,
        Santosh Shilimkar <santosh.shilimkar@...cle.com>
Subject: [PATCH rdma-next 6/8] IB/opa_vnic: Move to client_supported callback

From: Parav Pandit <parav@...dia.com>

Move to newly introduced client_supported callback
Avoid client registration using newly introduced helper callback if the
IB device doesn't have OPA VNIC capability.

Signed-off-by: Parav Pandit <parav@...dia.com>
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
---
 drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c b/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c
index cecf0f7cadf9..58658eba97dd 100644
--- a/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c
+++ b/drivers/infiniband/ulp/opa_vnic/opa_vnic_vema.c
@@ -121,6 +121,7 @@ static struct ib_client opa_vnic_client = {
 	.name   = opa_vnic_driver_name,
 	.add    = opa_vnic_vema_add_one,
 	.remove = opa_vnic_vema_rem_one,
+	.is_supported = rdma_cap_opa_vnic,
 };
 
 /**
@@ -993,9 +994,6 @@ static int opa_vnic_vema_add_one(struct ib_device *device)
 	struct opa_vnic_ctrl_port *cport;
 	int rc, size = sizeof(*cport);
 
-	if (!rdma_cap_opa_vnic(device))
-		return -EOPNOTSUPP;
-
 	size += device->phys_port_cnt * sizeof(struct opa_vnic_vema_port);
 	cport = kzalloc(size, GFP_KERNEL);
 	if (!cport)
-- 
2.30.2