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net/mlx5: Allow 0 for total host VFs

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commit 2dc2b3922d3c0f52d3a792d15dcacfbc4cc76b8f upstream.

When querying eswitch functions 0 is a valid number of host VFs. After
introducing ARM SRIOV falling through to getting the max value from PCI
results in using the total VFs allowed on the ARM for the host.

Fixes: 86eec50bea ("net/mlx5: Support querying max VFs from device");
Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Daniel Jurgens 2023-07-11 00:28:10 +03:00 committed by Greg Kroah-Hartman
parent ab06983c5b
commit a824d012ad
1 changed files with 1 additions and 2 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/sriov.c
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@ -264,8 +264,7 @@ static u16 mlx5_get_max_vfs(struct mlx5_core_dev *dev)
host_total_vfs = MLX5_GET(query_esw_functions_out, out,
host_params_context.host_total_vfs);
kvfree(out);
if (host_total_vfs)
return host_total_vfs;
return host_total_vfs;
}
done: