net/mlx5: Destroy pool->mutex

Destroy pool->mutex when we destroy the pool.

Fixes: c36326d38d93 ("net/mlx5: Round-Robin EQs over IRQs")
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 7b923f6b5462dfa842c8ef7afd3d7375d7cecd30..3465b363fc2fe3f34b721f71de37041f3897c25f 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
@@ -440,6 +440,7 @@ 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;
@@ -448,7 +449,6 @@ 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;
@@ -462,6 +462,7 @@ static void irq_pool_free(struct mlx5_irq_pool *pool)
        xa_for_each(&pool->irqs, index, irq)
                irq_release(&irq->kref);
        xa_destroy(&pool->irqs);
+       mutex_destroy(&pool->lock);
        kvfree(pool);
 }