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Update netdev.c

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根据family查找netdev时，优先查找family匹配并且已经联网的网卡
再查找family匹配但是未联网的网卡
This commit is contained in:
HubretXie
2019-04-28 15:24:23 +08:00
committed by GitHub
parent f7e5f4cd50
commit 2d82b62111
1 changed files with 1 additions and 1 deletions
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components/net/netdev/src/netdev.c
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@@ -269,7 +269,7 @@ struct netdev *netdev_get_by_family(int family)
{
netdev = rt_slist_entry(node, struct netdev, list);
pf = (struct sal_proto_family *) netdev->sal_user_data;
if (pf && pf->skt_ops && pf->family == family && netdev_is_up(netdev))
if (pf && pf->skt_ops && pf->family == family && netdev_is_up(netdev) && netdev_is_link_up(netdev))
{
rt_hw_interrupt_enable(level);
return netdev;