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Thu, 22 Jan 2026 02:27:07 -0800 (PST) Message-ID: <6a055080-e4f1-4a1d-98ba-dca81a26b3a0@gmail.com> Date: Thu, 22 Jan 2026 12:27:08 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net] net/mlx5: Fix memory leak in esw_acl_ingress_lgcy_setup() To: Zilin Guan , saeedm@nvidia.com Cc: leon@kernel.org, tariqt@nvidia.com, mbloch@nvidia.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, jianhao.xu@seu.edu.cn References: <20260120134640.2717808-1-zilin@seu.edu.cn> Content-Language: en-US From: Tariq Toukan In-Reply-To: <20260120134640.2717808-1-zilin@seu.edu.cn> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 20/01/2026 15:46, Zilin Guan wrote: > In esw_acl_ingress_lgcy_setup(), if esw_acl_table_create() fails, > the function returns directly without releasing the previously > created counter, leading to a memory leak. > > Fix this by jumping to the out label instead of returning directly, > which aligns with the error handling logic of other paths in this > function. > > Compile tested only. Issue found using a prototype static analysis tool > and code review. > > Fixes: 07bab9502641 ("net/mlx5: E-Switch, Refactor eswitch ingress acl codes") > Signed-off-by: Zilin Guan > --- > drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c > index 1c37098e09ea..49a637829c59 100644 > --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c > +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c > @@ -188,7 +188,7 @@ int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw, > if (IS_ERR(vport->ingress.acl)) { > err = PTR_ERR(vport->ingress.acl); > vport->ingress.acl = NULL; > - return err; > + goto out; > } > > err = esw_acl_ingress_lgcy_groups_create(esw, vport); Reviewed-by: Tariq Toukan Thanks for your patch. Tariq