From: Stephen Hemminger <stephen@networkplumber.org>
Date: Mon, 9 Feb 2015 01:13:52 +0000 (+0800)
Subject: virtio: allow starting with link down
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=069739780ba7d3887fb859bca1ee43b1ef74b576;p=dpdk.git

virtio: allow starting with link down

Starting driver with link down should be ok, it is with every
other driver. So just allow it.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
Acked-by: Huawei Xie <huawei.xie@intel.com>
---

diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c b/lib/librte_pmd_virtio/virtio_ethdev.c
index dc0c6b3e92..879f1c8d0e 100644
--- a/lib/librte_pmd_virtio/virtio_ethdev.c
+++ b/lib/librte_pmd_virtio/virtio_ethdev.c
@@ -1053,14 +1053,12 @@ virtio_dev_start(struct rte_eth_dev *dev)
 		vtpci_read_dev_config(hw,
 				offsetof(struct virtio_net_config, status),
 				&status, sizeof(status));
-		if ((status & VIRTIO_NET_S_LINK_UP) == 0) {
+		if ((status & VIRTIO_NET_S_LINK_UP) == 0)
 			PMD_INIT_LOG(ERR, "Port: %d Link is DOWN",
 				     dev->data->port_id);
-			return -EIO;
-		} else {
+		else
 			PMD_INIT_LOG(DEBUG, "Port: %d Link is UP",
 				     dev->data->port_id);
-		}
 	}
 	vtpci_reinit_complete(hw);