[ovs-dev] [PATCH] netdev-dpdk: Print the reason of device detaching failure.

[Stokes, Ian]

> Useful for debugging.
> 
> Signed-off-by: Ilya Maximets <i.maximets at samsung.com>
> ---
>  lib/netdev-dpdk.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c
> index cc15df65c..4856c56aa 100644
> --- a/lib/netdev-dpdk.c
> +++ b/lib/netdev-dpdk.c
> @@ -1394,8 +1394,11 @@ netdev_dpdk_destruct(struct netdev *netdev)
>           * device are closed.
>           */
>          if (!remove_on_close || !netdev_dpdk_get_num_ports(rte_dev)) {
> -            if (rte_dev_remove(rte_dev) < 0) {
> -                VLOG_ERR("Device '%s' can not be detached", dev-
> >devargs);
> +            int ret = rte_dev_remove(rte_dev);
> +
> +            if (ret < 0) {
> +                VLOG_ERR("Device '%s' can not be detached: %s.",
> +                         dev->devargs, rte_strerror(-ret));
>              } else {
>                  /* Device was closed and detached. */
>                  VLOG_INFO("Device '%s' has been removed and detached",

LGTM, ACKED.

Ian