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

Fixes: 225c7b1f ("IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters")
Signed-off-by: default avatarAlex Vesker <>
Signed-off-by: default avatarTariq Toukan <>
Signed-off-by: default avatarDavid S. Miller <>
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))
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