From: Dan Carpenter <dan.carpenter@oracle.com>
To: Boris Pismenny <borisp@nvidia.com>, Tariq Toukan <tariqt@nvidia.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
Leon Romanovsky <leon@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Gal Pressman <gal@nvidia.com>, Aya Levin <ayal@nvidia.com>,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: [PATCH net] net/mlx5e: kTLS, Use _safe() iterator in mlx5e_tls_priv_tx_list_cleanup()
Date: Thu, 4 Aug 2022 17:44:07 +0300 [thread overview]
Message-ID: <YuvbN3hr1F/KbeCh@kili> (raw)
Use the list_for_each_entry_safe() macro to prevent dereferencing "obj"
after it has been freed.
Fixes: c4dfe704f53f ("net/mlx5e: kTLS, Recycle objects of device-offloaded TLS TX connections")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
index 6b6c7044b64a..e6f604f9561d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
@@ -246,7 +246,7 @@ static void mlx5e_tls_priv_tx_cleanup(struct mlx5e_ktls_offload_context_tx *priv
static void mlx5e_tls_priv_tx_list_cleanup(struct mlx5_core_dev *mdev,
struct list_head *list, int size)
{
- struct mlx5e_ktls_offload_context_tx *obj;
+ struct mlx5e_ktls_offload_context_tx *obj, *n;
struct mlx5e_async_ctx *bulk_async;
int i;
@@ -255,7 +255,7 @@ static void mlx5e_tls_priv_tx_list_cleanup(struct mlx5_core_dev *mdev,
return;
i = 0;
- list_for_each_entry(obj, list, list_node) {
+ list_for_each_entry_safe(obj, n, list, list_node) {
mlx5e_tls_priv_tx_cleanup(obj, &bulk_async[i]);
i++;
}
--
2.35.1
next reply other threads:[~2022-08-04 14:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-04 14:44 Dan Carpenter [this message]
2022-08-04 14:59 ` [PATCH net] net/mlx5e: kTLS, Use _safe() iterator in mlx5e_tls_priv_tx_list_cleanup() Tariq Toukan
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