IB/mlx5: Honor cnt_set_id_valid flag instead of set_id

It is incorrect to depend on set_id value to know if counters were
allocated or not. set_id_valid field is set to true when counters
were allocated. Therefore, use set_id_valid while deciding to
free counters.

Cc: <stable@vger.kernel.org> # 4.15
Fixes: aac4492ef23a ("IB/mlx5: Update counter implementation for dual port RoCE")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index f86b5ad..0f482d2 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -4699,7 +4699,7 @@ static void mlx5_ib_dealloc_counters(struct mlx5_ib_dev *dev)
        int i;
 
        for (i = 0; i < dev->num_ports; i++) {
-               if (dev->port[i].cnts.set_id)
+               if (dev->port[i].cnts.set_id_valid)
                        mlx5_core_dealloc_q_counter(dev->mdev,
                                                    dev->port[i].cnts.set_id);
                kfree(dev->port[i].cnts.names);