linux-kernel - [PATCH v2 3/3] IB/mlx5: Use refcount

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Message-Id: <20190802172401.8467-1-hslester96@gmail.com>
Date:   Sat,  3 Aug 2019 01:24:01 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Leon Romanovsky <leon@...nel.org>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH v2 3/3] IB/mlx5: Use refcount_() APIs

This patch depends on PATCH 1/3.

After converting refcount to refcount_t, use
refcount_() APIs to operate it.

Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
 drivers/infiniband/hw/mlx5/srq_cmd.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/srq_cmd.c b/drivers/infiniband/hw/mlx5/srq_cmd.c
index b0d0687c7a68..8fc3630a9d4c 100644
--- a/drivers/infiniband/hw/mlx5/srq_cmd.c
+++ b/drivers/infiniband/hw/mlx5/srq_cmd.c
@@ -86,7 +86,7 @@ struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn)
 	xa_lock(&table->array);
 	srq = xa_load(&table->array, srqn);
 	if (srq)
-		atomic_inc(&srq->common.refcount);
+		refcount_inc(&srq->common.refcount);
 	xa_unlock(&table->array);
 
 	return srq;
@@ -592,7 +592,7 @@ int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
 	if (err)
 		return err;
 
-	atomic_set(&srq->common.refcount, 1);
+	refcount_set(&srq->common.refcount, 1);
 	init_completion(&srq->common.free);
 
 	err = xa_err(xa_store_irq(&table->array, srq->srqn, srq, GFP_KERNEL));
@@ -675,7 +675,7 @@ static int srq_event_notifier(struct notifier_block *nb,
 	xa_lock(&table->array);
 	srq = xa_load(&table->array, srqn);
 	if (srq)
-		atomic_inc(&srq->common.refcount);
+		refcount_inc(&srq->common.refcount);
 	xa_unlock(&table->array);
 
 	if (!srq)
-- 
2.20.1