Commit be439912 authored by Parav Pandit's avatar Parav Pandit Committed by Jason Gunthorpe
Browse files

RDMA/cma: Use refcount API to reflect refcount 

Use the refcount variant to capture the reference counting of the cma
device structure.

Link: https://lore.kernel.org/r/20200126142652.104803-6-leon@kernel.org


Signed-off-by: default avatarParav Pandit <parav@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 5ff8c8fa

drivers/infiniband/core/cma.c

+4 −5
Original line number Diff line number Diff line
@@ -199,7 +199,7 @@ struct cma_device { 
	struct list_head	list;

	struct ib_device	*device;

	struct completion	comp;

	atomic_t		refcount;

	refcount_t refcount;

	struct list_head	id_list;

	enum ib_gid_type	*default_gid_type;

	u8			*default_roce_tos;
@@ -249,12 +249,12 @@ enum { 


void cma_dev_get(struct cma_device *cma_dev)

{

	atomic_inc(&cma_dev->refcount);

	refcount_inc(&cma_dev->refcount);

}



void cma_dev_put(struct cma_device *cma_dev)

{

	if (atomic_dec_and_test(&cma_dev->refcount))

	if (refcount_dec_and_test(&cma_dev->refcount))

		complete(&cma_dev->comp);

}
@@ -754,7 +754,6 @@ static int cma_iw_acquire_dev(struct rdma_id_private *id_priv, 


	list_for_each_entry(cma_dev, &dev_list, list) {

		rdma_for_each_port (cma_dev->device, port) {



			if (listen_id_priv->cma_dev == cma_dev &&

			    listen_id_priv->id.port_num == port)

				continue;
@@ -4657,7 +4656,7 @@ static void cma_add_one(struct ib_device *device) 
	}



	init_completion(&cma_dev->comp);

	atomic_set(&cma_dev->refcount, 1);

	refcount_set(&cma_dev->refcount, 1);

	INIT_LIST_HEAD(&cma_dev->id_list);

	ib_set_client_data(device, &cma_client, cma_dev);