diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c index 60bfcad1873c..c79a10b3454d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c @@ -234,6 +234,7 @@ static struct mlx5_irq *irq_request(struct mlx5_irq_pool *pool, int i) err = -ENOMEM; goto err_cpumask; } + irq->pool = pool; irq->refcount = 1; irq->index = i; err = xa_err(xa_store(&pool->irqs, irq->index, irq, GFP_KERNEL)); @@ -242,7 +243,6 @@ static struct mlx5_irq *irq_request(struct mlx5_irq_pool *pool, int i) irq->index, err); goto err_xa; } - irq->pool = pool; return irq; err_xa: free_cpumask_var(irq->mask); @@ -271,8 +271,11 @@ 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) @@ -456,6 +459,7 @@ irq_pool_alloc(struct mlx5_core_dev *dev, int start, int size, char *name, if (!pool) return ERR_PTR(-ENOMEM); pool->dev = dev; + mutex_init(&pool->lock); xa_init_flags(&pool->irqs, XA_FLAGS_ALLOC); pool->xa_num_irqs.min = start; pool->xa_num_irqs.max = start + size - 1; @@ -464,7 +468,6 @@ irq_pool_alloc(struct mlx5_core_dev *dev, int start, int size, char *name, name); pool->min_threshold = min_threshold * MLX5_EQ_REFS_PER_IRQ; pool->max_threshold = max_threshold * MLX5_EQ_REFS_PER_IRQ; - mutex_init(&pool->lock); mlx5_core_dbg(dev, "pool->name = %s, pool->size = %d, pool->start = %d", name, size, start); return pool; @@ -482,6 +485,7 @@ static void irq_pool_free(struct mlx5_irq_pool *pool) xa_for_each(&pool->irqs, index, irq) irq_release(irq); xa_destroy(&pool->irqs); + mutex_destroy(&pool->lock); kvfree(pool); } |