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net/mlx5e: Verify dev is present for fix features ndo

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[ Upstream commit ab4b01bfda ]

The native NIC port net device instance is being used as Uplink
representor.  While changing profiles private resources are not
available, fix features ndo does not check if the netdev is present.
Add driver protection to verify private resources are ready.

Fixes: 7a9fb35e8c ("net/mlx5e: Do not reload ethernet ports when changing eswitch mode")
Signed-off-by: Roy Novich <royno@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Roy Novich 2023-01-04 11:16:21 +02:00 committed by Greg Kroah-Hartman
parent ddf458641a
commit 798604a1bd
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -4071,6 +4071,9 @@ static netdev_features_t mlx5e_fix_features(struct net_device *netdev,
struct mlx5e_vlan_table *vlan;
struct mlx5e_params *params;
if (!netif_device_present(netdev))
return features;
vlan = mlx5e_fs_get_vlan(priv->fs);
mutex_lock(&priv->state_lock);
params = &priv->channels.params;