diff options
Diffstat (limited to 'net/core/net-sysfs.c')
| -rw-r--r-- | net/core/net-sysfs.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index fccaa5bac0ed..d9b33e923b18 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -194,8 +194,14 @@ static ssize_t carrier_show(struct device *dev, { struct net_device *netdev = to_net_dev(dev); - if (netif_running(netdev)) + if (netif_running(netdev)) { + /* Synchronize carrier state with link watch, + * see also rtnl_getlink(). + */ + linkwatch_sync_dev(netdev); + return sysfs_emit(buf, fmt_dec, !!netif_carrier_ok(netdev)); + } return -EINVAL; } |