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| author | Parav Pandit <parav@mellanox.com> | 2020-01-26 16:26:50 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-02-11 14:00:39 -0400 |
| commit | be439912e7c2e3e78ebd087932c165a83bdca6b5 (patch) | |
| tree | 1ddcbb6210d50cde47e048c53c64e3e6a890dec3 /drivers/infiniband/core/cma.c | |
| parent | 5ff8c8fa44c2cb74f3066ec4a531265db69b86c5 (diff) | |
| download | linux-stable-be439912e7c2e3e78ebd087932c165a83bdca6b5.tar.gz linux-stable-be439912e7c2e3e78ebd087932c165a83bdca6b5.tar.bz2 linux-stable-be439912e7c2e3e78ebd087932c165a83bdca6b5.zip | |
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>
Diffstat (limited to 'drivers/infiniband/core/cma.c')
| -rw-r--r-- | drivers/infiniband/core/cma.c | 9 |
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); |