On 8/4/2022 5:44 PM, Dan Carpenter wrote:
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@xxxxxxxxxx>
---
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++;
}
Reviewed-by: Tariq Toukan <tariqt@xxxxxxxxxx>
Thanks for your patch!