diff options
| author | Jason Gunthorpe <jgg@mellanox.com> | 2020-05-06 10:47:01 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-05-13 03:32:54 +0300 |
| commit | a0e46db4e764f56c61f85c235c50bf4578c51a47 (patch) | |
| tree | 6b28a3e96dd4bbac2e4cc1f0c6a8bd1be80e0dce /drivers/infiniband/core/cm.c | |
| parent | 51e8463cfc48ca030e532c9127ee1219a95795c3 (diff) | |
| download | linux-a0e46db4e764f56c61f85c235c50bf4578c51a47.tar.xz | |
RDMA/cm: Increment the refcount inside cm_find_listen()
All callers need the 'get', so do it in a central place before returning
the pointer.
Link: https://lore.kernel.org/r/20200506074701.9775-11-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/cm.c')
| -rw-r--r-- | drivers/infiniband/core/cm.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 15cd5253d2c7..fb47cd55ce42 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -686,9 +686,10 @@ static struct cm_id_private * cm_find_listen(struct ib_device *device, cm_id_priv = rb_entry(node, struct cm_id_private, service_node); if ((cm_id_priv->id.service_mask & service_id) == cm_id_priv->id.service_id && - (cm_id_priv->id.device == device)) + (cm_id_priv->id.device == device)) { + refcount_inc(&cm_id_priv->refcount); return cm_id_priv; - + } if (device < cm_id_priv->id.device) node = node->rb_left; else if (device > cm_id_priv->id.device) @@ -2005,7 +2006,6 @@ static struct cm_id_private * cm_match_req(struct cm_work *work, NULL, 0); return NULL; } - refcount_inc(&listen_cm_id_priv->refcount); spin_unlock_irq(&cm.lock); return listen_cm_id_priv; } @@ -3564,7 +3564,6 @@ static int cm_sidr_req_handler(struct cm_work *work) .status = IB_SIDR_UNSUPPORTED }); goto out; /* No match. */ } - refcount_inc(&listen_cm_id_priv->refcount); spin_unlock_irq(&cm.lock); cm_id_priv->id.cm_handler = listen_cm_id_priv->id.cm_handler; |