Re: [PATCH V2] vdpa/mlx5: return correct error code after rte_intr_instance_alloc failed

[Maxime Coquelin]

On 6/14/22 15:36, 835703...@qq.com wrote:

From: Shiqi Liu <835703...@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: Shiqi Liu <835703...@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))

Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>

Thanks,
Maxime