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SubjectRe: [PATCH][next] net/mlx4_core: fix memory leaks on error exit path
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On 31/08/2017 7:30 PM, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> The structures hca_param and func_cap are not being kfree'd on an error
> exit path causing two memory leaks. Fix this by jumping to the existing
> free memory error exit path.
>
> Detected by CoverityScan, CID#1455219, CID#1455224 ("Resource Leak")
>
> Fixes: c73c8b1e47ca ("net/mlx4_core: Dynamically allocate structs at mlx4_slave_cap")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
> drivers/net/ethernet/mellanox/mlx4/main.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
> index 1c92101b3ec2..d46f3283ec36 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/main.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/main.c
> @@ -977,7 +977,8 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
> if (dev->caps.num_ports > MLX4_MAX_PORTS) {
> mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n",
> dev->caps.num_ports, MLX4_MAX_PORTS);
> - return -ENODEV;
> + err = -ENODEV;
> + goto free_mem;
> }
>
> mlx4_replace_zero_macs(dev);
>

Acked-by: Tariq Toukan <tariqt@mellanox.com>

Thanks Colin!

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