From: Shay Drory <shayd@nvidia.com>
Date: Tue, 28 Feb 2023 10:36:19 +0200
Subject: [PATCH] net/mlx5: Set BREAK_FW_WAIT flag first when removing driver
References: bsc#1012628
Patch-mainline: 6.2.8
Git-commit: 031a163f2c476adcb2c01e27a7d323e66174ac11
[ Upstream commit 031a163f2c476adcb2c01e27a7d323e66174ac11 ]
Currently, BREAK_FW_WAIT flag is set after syncing with fw_reset.
However, fw_reset can call mlx5_load_one() which is waiting for fw
init bit and BREAK_FW_WAIT flag is intended to stop. e.g.: the driver
might wait on a loop it should exit.
Fix it by setting the flag before syncing with fw_reset.
Fixes: 8324a02c342a ("net/mlx5: Add exit route when waiting for FW")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/net/ethernet/mellanox/mlx5/core/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index bb718003..f4e0431d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1768,11 +1768,11 @@ static void remove_one(struct pci_dev *pdev)
struct mlx5_core_dev *dev = pci_get_drvdata(pdev);
struct devlink *devlink = priv_to_devlink(dev);
+ set_bit(MLX5_BREAK_FW_WAIT, &dev->intf_state);
/* mlx5_drain_fw_reset() is using devlink APIs. Hence, we must drain
* fw_reset before unregistering the devlink.
*/
mlx5_drain_fw_reset(dev);
- set_bit(MLX5_BREAK_FW_WAIT, &dev->intf_state);
devlink_unregister(devlink);
mlx5_sriov_disable(pdev);
mlx5_crdump_disable(dev);
--
2.35.3