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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/devlink.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index d7576b6fa43b..b9a6cea03951 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -136,6 +136,7 @@ static int mlx5_devlink_reload_down(struct devlink *devlink, bool netns_change,
struct netlink_ext_ack *extack)
{
struct mlx5_core_dev *dev = devlink_priv(devlink);
+ struct pci_dev *pdev = dev->pdev;
bool sf_dev_allocated;
sf_dev_allocated = mlx5_sf_dev_allocated(dev);
@@ -153,6 +154,10 @@ static int mlx5_devlink_reload_down(struct devlink *devlink, bool netns_change,
return -EOPNOTSUPP;
}
+ if (pci_num_vf(pdev)) {
+ NL_SET_ERR_MSG_MOD(extack, "reload while VFs are present is unfavorable");
+ }
+
switch (action) {
case DEVLINK_RELOAD_ACTION_DRIVER_REINIT:
mlx5_unload_one(dev);