Thread (14 messages) flat view 14 messages, 2 authors, 2016-12-28
STALE3554d

[PATCH net 03/12] net/mlx5: Cancel recovery work in remove flow

From: Saeed Mahameed <hidden>
Date: 2016-12-28 12:58:58
Subsystem: mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers: Saeed Mahameed, Leon Romanovsky, Tariq Toukan, Mark Bloch, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Daniel Jurgens <redacted>

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 <redacted>
Signed-off-by: Saeed Mahameed <redacted>
---
 drivers/net/ethernet/mellanox/mlx5/core/main.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 23c12f1..0b49739 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1196,6 +1196,8 @@ 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",
@@ -1358,10 +1360,9 @@ 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);
 	}
 
-- 
2.7.4
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