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Tue, 15 Apr 2025 05:42:08 -0700 (PDT) From: Henry Martin To: saeedm@nvidia.com, leon@kernel.org, tariqt@nvidia.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, bsdhenrymartin@gmail.com, amirtz@nvidia.com, ayal@nvidia.com Subject: [PATCH v5 2/2] net/mlx5: Fix memory leak in error path of ttc creation Date: Tue, 15 Apr 2025 20:41:28 +0800 Message-Id: <20250415124128.59198-3-bsdhenrymartin@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250415124128.59198-1-bsdhenrymartin@gmail.com> References: <20250415124128.59198-1-bsdhenrymartin@gmail.com> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Free ttc table memory when unsupported ttc_type is passed, to avoid memory leak on the default error path in mlx5_create_inner_ttc_table() and mlx5_create_ttc_table(). Fixes: 137f3d50ad2a ("net/mlx5: Support matching on l4_type for ttc_table") Signed-off-by: Henry Martin --- drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c index e48afd620d7e..077fe908bf86 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c @@ -651,6 +651,7 @@ struct mlx5_ttc_table *mlx5_create_inner_ttc_table(struct mlx5_core_dev *dev, MLX5_CAP_NIC_RX_FT_FIELD_SUPPORT_2(dev, inner_l4_type); break; default: + kvfree(ttc); return ERR_PTR(-EINVAL); } @@ -729,6 +730,7 @@ struct mlx5_ttc_table *mlx5_create_ttc_table(struct mlx5_core_dev *dev, MLX5_CAP_NIC_RX_FT_FIELD_SUPPORT_2(dev, outer_l4_type); break; default: + kvfree(ttc); return ERR_PTR(-EINVAL); }