xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net/mlx4_en: Avoid unregister_netdev at shutdown flow

Browse Source 
This allows a clean shutdown, even if some netdev clients do not
release their reference from this netdev. It is enough to release
the HW resources only as the kernel is shutting down.

Fixes: 2ba5fbd62b ('net/mlx4_core: Handle AER flow properly')
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eran Ben Elisha
2016-06-21 14:20:03 +03:00
committed by David S. Miller
parent 93c098af09
commit 9d76931180
3 changed files with 20 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/mellanox/mlx4/main.c
View File

@@ -4135,8 +4135,11 @@ static void mlx4_shutdown(struct pci_dev *pdev)
mlx4_info(persist->dev, "mlx4_shutdown was called\n");
mutex_lock(&persist->interface_state_mutex);
if (persist->interface_state & MLX4_INTERFACE_STATE_UP)
if (persist->interface_state & MLX4_INTERFACE_STATE_UP) {
/* Notify mlx4 clients that the kernel is being shut down */
persist->interface_state |= MLX4_INTERFACE_STATE_SHUTDOWN;
mlx4_unload_one(pdev);
}
mutex_unlock(&persist->interface_state_mutex);
}