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SubjectRe: [PATCH v5 04/27] IB/Verbs: Reform IB-core cm
On Mon, Apr 20, 2015 at 10:33:45AM +0200, Michael Wang wrote:
>
> Use raw management helpers to reform IB-core cm.
>
> Cc: Hal Rosenstock <hal@dev.mellanox.co.il>
> Cc: Steve Wise <swise@opengridcomputing.com>
> Cc: Tom Talpey <tom@talpey.com>
> Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
> Cc: Doug Ledford <dledford@redhat.com>
> Cc: Ira Weiny <ira.weiny@intel.com>
> Cc: Sean Hefty <sean.hefty@intel.com>
> Signed-off-by: Michael Wang <yun.wang@profitbricks.com>

Reviewed-by: Ira Weiny <ira.weiny@intel.com>

> ---
> drivers/infiniband/core/cm.c | 20 +++++++++++++++++---
> 1 file changed, 17 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
> index e28a494..3c10b75 100644
> --- a/drivers/infiniband/core/cm.c
> +++ b/drivers/infiniband/core/cm.c
> @@ -3761,9 +3761,7 @@ static void cm_add_one(struct ib_device *ib_device)
> unsigned long flags;
> int ret;
> u8 i;
> -
> - if (rdma_node_get_transport(ib_device->node_type) != RDMA_TRANSPORT_IB)
> - return;
> + int count = 0;
>
> cm_dev = kzalloc(sizeof(*cm_dev) + sizeof(*port) *
> ib_device->phys_port_cnt, GFP_KERNEL);
> @@ -3783,6 +3781,9 @@ static void cm_add_one(struct ib_device *ib_device)
>
> set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask);
> for (i = 1; i <= ib_device->phys_port_cnt; i++) {
> + if (!rdma_ib_or_iboe(ib_device, i))
> + continue;
> +
> port = kzalloc(sizeof *port, GFP_KERNEL);
> if (!port)
> goto error1;
> @@ -3809,7 +3810,13 @@ static void cm_add_one(struct ib_device *ib_device)
> ret = ib_modify_port(ib_device, i, 0, &port_modify);
> if (ret)
> goto error3;
> +
> + count++;
> }
> +
> + if (!count)
> + goto free;
> +
> ib_set_client_data(ib_device, &cm_client, cm_dev);
>
> write_lock_irqsave(&cm.device_lock, flags);
> @@ -3825,11 +3832,15 @@ error1:
> port_modify.set_port_cap_mask = 0;
> port_modify.clr_port_cap_mask = IB_PORT_CM_SUP;
> while (--i) {
> + if (!rdma_ib_or_iboe(ib_device, i))
> + continue;
> +
> port = cm_dev->port[i-1];
> ib_modify_port(ib_device, port->port_num, 0, &port_modify);
> ib_unregister_mad_agent(port->mad_agent);
> cm_remove_port_fs(port);
> }
> +free:
> device_unregister(cm_dev->device);
> kfree(cm_dev);
> }
> @@ -3853,6 +3864,9 @@ static void cm_remove_one(struct ib_device *ib_device)
> write_unlock_irqrestore(&cm.device_lock, flags);
>
> for (i = 1; i <= ib_device->phys_port_cnt; i++) {
> + if (!rdma_ib_or_iboe(ib_device, i))
> + continue;
> +
> port = cm_dev->port[i-1];
> ib_modify_port(ib_device, port->port_num, 0, &port_modify);
> ib_unregister_mad_agent(port->mad_agent);
> --
> 2.1.0


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