On 06/14/2017 01:41 PM, Dan Carpenter wrote:
> If we hit this error path we end up returning ERR_PTR(0) which is NULL.
> The caller is not expecting that so it results in a NULL dereference.
>
> Fixes: 410ed13cae39 ("Add the mlxfw module for Mellanox firmware flash process")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.c b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.c
> index 628150d28061..993cb5ba934e 100644
> --- a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.c
> +++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.c
> @@ -594,6 +594,7 @@ struct mlxfw_mfa2_component *
> if (memcmp(comp_data->buff, mlxfw_mfa2_comp_magic,
> mlxfw_mfa2_comp_magic_len) != 0) {
> pr_err("Component has wrong magic\n");
> + err = -EINVAL;
> goto err_out;
> }
>
Acked-by: Yotam Gigi <yotamg@xxxxxxxxxxxx>
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