[PATCH] vdpa/mlx5: return correct error code after rte_intr_instance_alloc failed

[Maxime Coquelin]

Hi newsky647,

On 6/12/22 16:09, 835703180 at qq.com wrote:
> From: newsky647 <835703180 at qq.com>
> 
> After function rte_intr_instance_alloc failed, we should return ENOMEM
> for error code.
> 
> Fixes: 5fe068bf7a2 ("vdpa/mlx5: reuse resources in reconfiguration")
> 
> Signed-off-by: newsky647 <835703180 at qq.com>
> ---
>   drivers/vdpa/mlx5/mlx5_vdpa_event.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/vdpa/mlx5/mlx5_vdpa_event.c b/drivers/vdpa/mlx5/mlx5_vdpa_event.c
> index 7167a98db0..6223afaae8 100644
> --- a/drivers/vdpa/mlx5/mlx5_vdpa_event.c
> +++ b/drivers/vdpa/mlx5/mlx5_vdpa_event.c
> @@ -395,6 +395,7 @@ mlx5_vdpa_err_event_setup(struct mlx5_vdpa_priv *priv)
>   		rte_intr_instance_alloc(RTE_INTR_INSTANCE_F_SHARED);
>   	if (priv->err_intr_handle == NULL) {
>   		DRV_LOG(ERR, "Fail to allocate intr_handle");
> +		rte_errno = ENOMEM;
>   		goto error;
>   	}
>   	if (rte_intr_fd_set(priv->err_intr_handle, priv->err_chnl->fd))

The patch looks good to me, but I would need your real name for the
sign-off.

Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>

Thanks,
Maxime