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IB/cm: Add and use a helper function to add cm_id's to the port list 

Add and use helper function add_cm_id_to_port_list() to attach
cm_id to port list.

Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Parav Pandit 2018-03-13 16:06:18 +02:00 committed by Jason Gunthorpe
parent 115b68aa6e
commit a22af59ea9
1 changed files with 21 additions and 10 deletions
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31
drivers/infiniband/core/cm.c
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@ -462,6 +462,26 @@ static int cm_init_av_for_response(struct cm_port *port, struct ib_wc *wc,
grh, &av->ah_attr);
}
static int add_cm_id_to_port_list(struct cm_id_private *cm_id_priv,
struct cm_av *av,
struct cm_port *port)
{
unsigned long flags;
int ret = 0;
spin_lock_irqsave(&cm.lock, flags);
if (&cm_id_priv->av == av)
list_add_tail(&cm_id_priv->prim_list, &port->cm_priv_prim_list);
else if (&cm_id_priv->alt_av == av)
list_add_tail(&cm_id_priv->altr_list, &port->cm_priv_altr_list);
else
ret = -EINVAL;
spin_unlock_irqrestore(&cm.lock, flags);
return ret;
}
static int cm_init_av_by_path(struct sa_path_rec *path, struct cm_av *av,
struct cm_id_private *cm_id_priv)
{
@ -502,16 +522,7 @@ static int cm_init_av_by_path(struct sa_path_rec *path, struct cm_av *av,
av->timeout = path->packet_life_time + 1;
spin_lock_irqsave(&cm.lock, flags);
if (&cm_id_priv->av == av)
list_add_tail(&cm_id_priv->prim_list, &port->cm_priv_prim_list);
else if (&cm_id_priv->alt_av == av)
list_add_tail(&cm_id_priv->altr_list, &port->cm_priv_altr_list);
else
ret = -EINVAL;
spin_unlock_irqrestore(&cm.lock, flags);
ret = add_cm_id_to_port_list(cm_id_priv, av, port);
return ret;
}