net/mlx5: Fix order of functions in mlx5_irq_detach_nb()

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@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
index b25f764..95e60da 100644 (file)
--- 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)