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net/mlx5: Cancel recovery work in remove flow

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[ Upstream commit 689a248df83b6032edc57e86267b4e5cc8d7174e ]

If there is pending delayed work for health recovery it must be canceled
if the device is being unloaded.

Fixes: 05ac2c0b7438 ("net/mlx5: Fix race between PCI error handlers and health work")
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Daniel Jurgens 2016-12-28 14:58:33 +02:00 committed by Greg Kroah-Hartman
parent 7bf1de7f27
commit ca8a64467f
1 changed files with 3 additions and 2 deletions
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5
drivers/net/ethernet/mellanox/mlx5/core/main.c
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@ -1159,6 +1159,8 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
{
int err = 0;
mlx5_drain_health_wq(dev);
mutex_lock(&dev->intf_state_mutex);
if (test_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state)) {
dev_warn(&dev->pdev->dev, "%s: interface is down, NOP\n",
@ -1319,10 +1321,9 @@ static pci_ers_result_t mlx5_pci_err_detected(struct pci_dev *pdev,
mlx5_enter_error_state(dev);
mlx5_unload_one(dev, priv, false);
/* In case of kernel call save the pci state and drain health wq */
/* In case of kernel call save the pci state */
if (state) {
pci_save_state(pdev);
mlx5_drain_health_wq(dev);
mlx5_pci_disable_device(dev);
}