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authorParav Pandit <parav@mellanox.com>2020-01-26 16:26:50 +0200
committerJason Gunthorpe <jgg@mellanox.com>2020-02-11 14:00:39 -0400
commitbe439912e7c2e3e78ebd087932c165a83bdca6b5 (patch)
tree1ddcbb6210d50cde47e048c53c64e3e6a890dec3
parent5ff8c8fa44c2cb74f3066ec4a531265db69b86c5 (diff)
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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: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
-rw-r--r--drivers/infiniband/core/cma.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 7e16d1b001ff..d43f7ce759f2 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -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);