netdev - [PATCH net-next 9/9] mlx5: Fix error flow in add

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Date:	Tue,  2 Dec 2014 12:26:19 +0200
From:	Eli Cohen <eli@....mellanox.co.il>
To:	davem@...emloft.net
Cc:	roland@...nel.org, linux-rdma@...r.kernel.org,
	netdev@...r.kernel.org, ogerlitz@...lanox.com, amirv@...lanox.com,
	Eli Cohen <eli@...lanox.com>
Subject: [PATCH net-next 9/9] mlx5: Fix error flow in add_keys

If mlx5_core_create_mkey fails, decrease the pending counter to undo the
previous increment.

Signed-off-by: Eli Cohen <eli@...lanox.com>
---
 drivers/infiniband/hw/mlx5/mr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 4c89b64aa9cf..5a80dd993761 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -159,6 +159,9 @@ static int add_keys(struct mlx5_ib_dev *dev, int c, int num)
 					    sizeof(*in), reg_mr_callback,
 					    mr, &mr->out);
 		if (err) {
+			spin_lock_irq(&ent->lock);
+			ent->pending--;
+			spin_unlock_irq(&ent->lock);
 			mlx5_ib_warn(dev, "create mkey failed %d\n", err);
 			kfree(mr);
 			break;
-- 
2.1.3

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