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From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Leon Romanovsky <leonro@nvidia.com>,
	Tariq Toukan <tariqt@nvidia.com>, Shay Drory <shayd@nvidia.com>,
	Parav Pandit <parav@nvidia.com>,
	Saeed Mahameed <saeedm@nvidia.com>
Subject: [net 09/12] net/mlx5: Destroy pool->mutex
Date: Mon,  9 Aug 2021 20:59:20 -0700	[thread overview]
Message-ID: <20210810035923.345745-10-saeed@kernel.org> (raw)
In-Reply-To: <20210810035923.345745-1-saeed@kernel.org>

From: Shay Drory <shayd@nvidia.com>

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>
---
 drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c | 3 ++-
 1 file changed, 2 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 7b923f6b5462..3465b363fc2f 100644
--- 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);
 }
 
-- 
2.31.1


  parent reply	other threads:[~2021-08-10  3:59 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-10  3:59 [pull request][net 00/12] mlx5 fixes 2021-08-09 Saeed Mahameed
2021-08-10  3:59 ` [net 01/12] net/mlx5: Don't skip subfunction cleanup in case of error in module init Saeed Mahameed
2021-08-10  8:53   ` patchwork-bot+netdevbpf
2021-08-10  3:59 ` [net 02/12] net/mlx5: DR, Add fail on error check on decap Saeed Mahameed
2021-08-10  3:59 ` [net 03/12] net/mlx5e: Avoid creating tunnel headers for local route Saeed Mahameed
2021-08-10  3:59 ` [net 04/12] net/mlx5: Bridge, fix ageing time Saeed Mahameed
2021-08-10  3:59 ` [net 05/12] net/mlx5e: Destroy page pool after XDP SQ to fix use-after-free Saeed Mahameed
2021-08-10  3:59 ` [net 06/12] net/mlx5: Block switchdev mode while devlink traps are active Saeed Mahameed
2021-08-10  3:59 ` [net 07/12] net/mlx5: Fix order of functions in mlx5_irq_detach_nb() Saeed Mahameed
2021-08-10  3:59 ` [net 08/12] net/mlx5: Set all field of mlx5_irq before inserting it to the xarray Saeed Mahameed
2021-08-10  3:59 ` Saeed Mahameed [this message]
2021-08-10  3:59 ` [net 10/12] net/mlx5e: TC, Fix error handling memory leak Saeed Mahameed
2021-08-10  3:59 ` [net 11/12] net/mlx5: Synchronize correct IRQ when destroying CQ Saeed Mahameed
2021-08-10  3:59 ` [net 12/12] net/mlx5: Fix return value from tracer initialization Saeed Mahameed

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