netdev - [net 07/12] net/mlx5: Fix order of functions in mlx5_irq_detach

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Date:   Mon,  9 Aug 2021 20:59:18 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Leon Romanovsky <leonro@...dia.com>,
        Tariq Toukan <tariqt@...dia.com>,
        Shay Drory <shayd@...dia.com>, Parav Pandit <parav@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: [net 07/12] net/mlx5: Fix order of functions in mlx5_irq_detach_nb()

From: Shay Drory <shayd@...dia.com>

Change order of functions in mlx5_irq_detach_nb() so it will be
a mirror of mlx5_irq_attach_nb.

Fixes: 71e084e26414 ("net/mlx5: Allocating a pool of MSI-X vectors for SFs")
Signed-off-by: Shay Drory <shayd@...dia.com>
Reviewed-by: Parav Pandit <parav@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
index b25f764daa08..95e60da33f03 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
@@ -251,8 +251,11 @@ int mlx5_irq_attach_nb(struct mlx5_irq *irq, struct notifier_block *nb)
 
 int mlx5_irq_detach_nb(struct mlx5_irq *irq, struct notifier_block *nb)
 {
+	int err = 0;
+
+	err = atomic_notifier_chain_unregister(&irq->nh, nb);
 	irq_put(irq);
-	return atomic_notifier_chain_unregister(&irq->nh, nb);
+	return err;
 }
 
 struct cpumask *mlx5_irq_get_affinity_mask(struct mlx5_irq *irq)
-- 
2.31.1