linux-kernel - [PATCH 2/3] net/mlx5: Use refcount

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Message-Id: <20190802121055.1429-1-hslester96@gmail.com>
Date:   Fri,  2 Aug 2019 20:10:55 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Saeed Mahameed <saeedm@...lanox.com>,
        Leon Romanovsky <leon@...nel.org>,
        "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH 2/3] net/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/net/ethernet/mellanox/mlx5/core/qp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/qp.c b/drivers/net/ethernet/mellanox/mlx5/core/qp.c
index b8ba74de9555..7b44d1e49604 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c
@@ -53,7 +53,7 @@ mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn)
 
 	common = radix_tree_lookup(&table->tree, rsn);
 	if (common)
-		atomic_inc(&common->refcount);
+		refcount_inc(&common->refcount);
 
 	spin_unlock_irqrestore(&table->lock, flags);
 
@@ -62,7 +62,7 @@ mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn)
 
 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common)
 {
-	if (atomic_dec_and_test(&common->refcount))
+	if (refcount_dec_and_test(&common->refcount))
 		complete(&common->free);
 }
 
@@ -209,7 +209,7 @@ static int create_resource_common(struct mlx5_core_dev *dev,
 	if (err)
 		return err;
 
-	atomic_set(&qp->common.refcount, 1);
+	refcount_set(&qp->common.refcount, 1);
 	init_completion(&qp->common.free);
 	qp->pid = current->pid;
 
-- 
2.20.1