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Date: Thu, 8 Sep 2016 11:52:00 +0300 From: Tariq Toukan <tariqt@...lanox.com> To: "David S. Miller" <davem@...emloft.net> Cc: netdev@...r.kernel.org, Eran Ben Elisha <eranbe@...lanox.com>, Kamal Heib <kamalh@...lanox.com>, Tariq Toukan <tariqt@...lanox.com> Subject: [PATCH net 8/9] net/mlx4_core: Fix to clean devlink resources From: Kamal Heib <kamalh@...lanox.com> This patch cleans devlink resources by calling devlink_port_unregister() to avoid the following issues: - Kernel panic when triggering reset flow. - Memory leak due to unfreed resources in mlx4_init_port_info(). Fixes: 09d4d087cd48 ("mlx4: Implement devlink interface") Signed-off-by: Kamal Heib <kamalh@...lanox.com> Signed-off-by: Tariq Toukan <tariqt@...lanox.com> --- drivers/net/ethernet/mellanox/mlx4/main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 75dd2e3d3059..7183ac4135d2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2970,6 +2970,7 @@ static int mlx4_init_port_info(struct mlx4_dev *dev, int port) mlx4_err(dev, "Failed to create mtu file for port %d\n", port); device_remove_file(&info->dev->persist->pdev->dev, &info->port_attr); + devlink_port_unregister(&info->devlink_port); info->port = -1; } @@ -2984,6 +2985,8 @@ static void mlx4_cleanup_port_info(struct mlx4_port_info *info) device_remove_file(&info->dev->persist->pdev->dev, &info->port_attr); device_remove_file(&info->dev->persist->pdev->dev, &info->port_mtu_attr); + devlink_port_unregister(&info->devlink_port); + #ifdef CONFIG_RFS_ACCEL free_irq_cpu_rmap(info->rmap); info->rmap = NULL; -- 1.8.3.1
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