[dpdk-dev] [PATCH] net/ixgbe: fix hash handle leak

[dpdk-dev] [PATCH] net/ixgbe: fix hash handle leak

[Qiming Chen]

In the ixgbe_fdir_filter_init and ixgbe_l2_tn_filter_init functions, after
the hash handle is created, the handle is not released in subsequent
abnormal branches.

Fixes: 080e3c0ee989 ("net/ixgbe: store flow director filter")
Fixes: d0c0c416ef1f ("net/ixgbe: store L2 tunnel filter")
Cc: stable@dpdk.org

Signed-off-by: Qiming Chen <chenqiming_huawei@163.com>
---
 drivers/net/ixgbe/ixgbe_ethdev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index ccb01ed344..3fd3249150 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1393,6 +1393,7 @@ static int ixgbe_fdir_filter_init(struct rte_eth_dev *eth_dev)
 	if (!fdir_info->hash_map) {
 		PMD_INIT_LOG(ERR,
 			     "Failed to allocate memory for fdir hash map!");
+		rte_hash_free(fdir_info->hash_handle);
 		return -ENOMEM;
 	}
 	fdir_info->mask_added = FALSE;
@@ -1429,6 +1430,7 @@ static int ixgbe_l2_tn_filter_init(struct rte_eth_dev *eth_dev)
 	if (!l2_tn_info->hash_map) {
 		PMD_INIT_LOG(ERR,
 			"Failed to allocate memory for L2 TN hash map!");
+		rte_hash_free(l2_tn_info->hash_handle);
 		return -ENOMEM;
 	}
 	l2_tn_info->e_tag_en = FALSE;
-- 
2.30.1.windows.1

Re: [dpdk-dev] [PATCH] net/ixgbe: fix hash handle leak

[Zhang, Qi Z]

> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Qiming Chen
> Sent: Tuesday, August 31, 2021 9:24 PM
> To: dev@dpdk.org
> Cc: Wang, Haiyue <haiyue.wang@intel.com>; Qiming Chen
> <chenqiming_huawei@163.com>; stable@dpdk.org
> Subject: [dpdk-dev] [PATCH] net/ixgbe: fix hash handle leak
> 
> In the ixgbe_fdir_filter_init and ixgbe_l2_tn_filter_init functions, after the hash
> handle is created, the handle is not released in subsequent abnormal branches.
> 
> Fixes: 080e3c0ee989 ("net/ixgbe: store flow director filter")
> Fixes: d0c0c416ef1f ("net/ixgbe: store L2 tunnel filter")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Qiming Chen <chenqiming_huawei@163.com>

Acked-by: Qi Zhang <qi.z.zhang@intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi