diff options
| author |   Or Gerlitz <ogerlitz@mellanox.com> | 2018-12-11 18:10:43 +0200 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2018-12-20 15:18:24 -0700 |
| commit | 842a9c837e2017127250a93204368f13e660ed9d (patch) | |
| tree | 8db6d54c5e1ff08e76becf2897cc4817efe3ede7 /drivers/infiniband/hw | |
| parent | IB/core: Move query port to ioctl (diff) | |
| download | linux-dev-842a9c837e2017127250a93204368f13e660ed9d.tar.xz linux-dev-842a9c837e2017127250a93204368f13e660ed9d.zip | |
IB/mlx5: Simplify netdev unbinding
When dealing with netdev unregister events, we just need to know that this
is our currently bounded netdev. There's no need to do any further
checks/queries.
This patch doesn't change any functionality.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.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 2a0526d7ff13..9b40ec73cc64 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -172,7 +172,6 @@ static int mlx5_netdev_event(struct notifier_block *this, switch (event) { case NETDEV_REGISTER: - case NETDEV_UNREGISTER: write_lock(&roce->netdev_lock); if (ibdev->rep) { struct mlx5_eswitch *esw = ibdev->mdev->priv.eswitch; @@ -181,15 +180,20 @@ static int mlx5_netdev_event(struct notifier_block *this, rep_ndev = mlx5_ib_get_rep_netdev(esw, ibdev->rep->vport); if (rep_ndev == ndev) - roce->netdev = (event == NETDEV_UNREGISTER) ? - NULL : ndev; + roce->netdev = ndev; } else if (ndev->dev.parent == &mdev->pdev->dev) { - roce->netdev = (event == NETDEV_UNREGISTER) ? - NULL : ndev; + roce->netdev = ndev; } write_unlock(&roce->netdev_lock); break; + case NETDEV_UNREGISTER: + write_lock(&roce->netdev_lock); + if (roce->netdev == ndev) + roce->netdev = NULL; + write_unlock(&roce->netdev_lock); + break; + case NETDEV_CHANGE: case NETDEV_UP: case NETDEV_DOWN: { |