net/mlx5: prevent memory leak in mlx5_fpga_conn_create_cq

[ Upstream commit c8c2a057fdc7de1cd16f4baa51425b932a42eb39 ]

In mlx5_fpga_conn_create_cq if mlx5_vector2eqn fails the allocated
memory should be released.

Fixes: 537a50574175 ("net/mlx5: FPGA, Add high-speed connection routines")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
index c4392f741c5fe1466699b71f6d8567c81790f2cc..5212428031a43da9753e7afe1dbda14e8d0f95f8 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
@@ -462,8 +462,10 @@ static int mlx5_fpga_conn_create_cq(struct mlx5_fpga_conn *conn, int cq_size)
        }
 
        err = mlx5_vector2eqn(mdev, smp_processor_id(), &eqn, &irqn);
-       if (err)
+       if (err) {
+               kvfree(in);
                goto err_cqwq;
+       }
 
        cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context);
        MLX5_SET(cqc, cqc, log_cq_size, ilog2(cq_size));