Commit 9b022a6e authored by Alex Vesker's avatar Alex Vesker Committed by David S. Miller

net/mlx4_core: Check device state before unregistering it

Verify that the device state is registered before un-registering it.
This check is required to prevent an OOPS on flows that do
re-registration of the device and its previous state was
unregistered.

Fixes: 225c7b1f ("IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters")
Signed-off-by: default avatarAlex Vesker <valex@mellanox.com>
Signed-off-by: default avatarTariq Toukan <tariqt@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 86cb13e4
......@@ -218,6 +218,9 @@ void mlx4_unregister_device(struct mlx4_dev *dev)
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_interface *intf;
if (!(dev->persist->interface_state & MLX4_INTERFACE_STATE_UP))
return;
mlx4_stop_catas_poll(dev);
mutex_lock(&intf_mutex);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment