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[PATCH_v2,2/3] regex/mlx5: fix leak in PCI remove function

Message ID 20210705052730.2283962-2-michaelba@nvidia.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show
Series [PATCH_v2,1/3] regex/mlx5: fix memory region unregistration | expand


Context Check Description
ci/checkpatch success coding style OK

Commit Message

Michael Baum July 5, 2021, 5:27 a.m. UTC
In the PCI removal function, PMD releases all driver resources allocated
in the probe function.

The MR btree memory is allocated in the probe function, but it is not
freed in remove function what caused a memory leak.

Release it.

Fixes: cda883bbb655 ("regex/mlx5: add dynamic memory registration to datapath")
Cc: stable@dpdk.org

Signed-off-by: Michael Baum <michaelba@nvidia.com>
 drivers/regex/mlx5/mlx5_regex.c | 2 ++
 1 file changed, 2 insertions(+)
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diff --git a/drivers/regex/mlx5/mlx5_regex.c b/drivers/regex/mlx5/mlx5_regex.c
index 0f12d94d7e..f64dc2824c 100644
--- a/drivers/regex/mlx5/mlx5_regex.c
+++ b/drivers/regex/mlx5/mlx5_regex.c
@@ -280,6 +280,8 @@  mlx5_regex_pci_remove(struct rte_pci_device *pci_dev)
 		if (TAILQ_EMPTY(&mlx5_mem_event_list))
+		if (priv->mr_scache.cache.table)
+			mlx5_mr_release_cache(&priv->mr_scache);
 		if (priv->pd)
 		if (priv->uar)