diff options
| author |   Kamal Heib <kamalh@mellanox.com> | 2017-01-18 14:10:32 +0200 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-02-14 10:14:25 -0500 |
| commit | 45bded2c216da6010184ac5ebe88c27f73439009 (patch) | |
| tree | 7910d9250962b3a1ad704702c28129c1fffeb0b8 /drivers/infiniband/hw | |
| parent | IB/mlx5: Return error for unsupported signature type (diff) | |
| download | linux-dev-45bded2c216da6010184ac5ebe88c27f73439009.tar.xz linux-dev-45bded2c216da6010184ac5ebe88c27f73439009.zip | |
IB/mlx5: Verify that Q counters are supported
Make sure that the Q counters are supported by the FW before trying
to allocate/deallocte them, this will avoid driver load failure when
they aren't supported by the FW.
Fixes: 0837e86a7a34 ('IB/mlx5: Add per port counters')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index a191b9327b0c..0187f1d7234a 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -3313,9 +3313,11 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev) if (err) goto err_rsrc; - err = mlx5_ib_alloc_q_counters(dev); - if (err) - goto err_odp; + if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) { + err = mlx5_ib_alloc_q_counters(dev); + if (err) + goto err_odp; + } dev->mdev->priv.uar = mlx5_get_uars_page(dev->mdev); if (!dev->mdev->priv.uar) @@ -3364,7 +3366,8 @@ err_uar_page: mlx5_put_uars_page(dev->mdev, dev->mdev->priv.uar); err_q_cnt: - mlx5_ib_dealloc_q_counters(dev); + if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) + mlx5_ib_dealloc_q_counters(dev); err_odp: mlx5_ib_odp_remove_one(dev); @@ -3397,7 +3400,8 @@ static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context) mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg); mlx5_free_bfreg(dev->mdev, &dev->bfreg); mlx5_put_uars_page(dev->mdev, mdev->priv.uar); - mlx5_ib_dealloc_q_counters(dev); + if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) + mlx5_ib_dealloc_q_counters(dev); destroy_umrc_res(dev); mlx5_ib_odp_remove_one(dev); destroy_dev_resources(&dev->devr); |