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path: root/drivers/net/usb/lan78xx.c
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Diffstat (limited to 'drivers/net/usb/lan78xx.c')
-rw-r--r--drivers/net/usb/lan78xx.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 25489389ea49..6d092d78e0cb 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1154,7 +1154,7 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
{
struct phy_device *phydev = dev->net->phydev;
struct ethtool_link_ksettings ecmd;
- int ladv, radv, ret;
+ int ladv, radv, ret, link;
u32 buf;
/* clear LAN78xx interrupt status */
@@ -1162,9 +1162,12 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
if (unlikely(ret < 0))
return -EIO;
+ mutex_lock(&phydev->lock);
phy_read_status(phydev);
+ link = phydev->link;
+ mutex_unlock(&phydev->lock);
- if (!phydev->link && dev->link_on) {
+ if (!link && dev->link_on) {
dev->link_on = false;
/* reset MAC */
@@ -1177,7 +1180,7 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
return -EIO;
del_timer(&dev->stat_monitor);
- } else if (phydev->link && !dev->link_on) {
+ } else if (link && !dev->link_on) {
dev->link_on = true;
phy_ethtool_ksettings_get(phydev, &ecmd);
@@ -1466,9 +1469,14 @@ static int lan78xx_set_eee(struct net_device *net, struct ethtool_eee *edata)
static u32 lan78xx_get_link(struct net_device *net)
{
+ u32 link;
+
+ mutex_lock(&net->phydev->lock);
phy_read_status(net->phydev);
+ link = net->phydev->link;
+ mutex_unlock(&net->phydev->lock);
- return net->phydev->link;
+ return link;
}
static void lan78xx_get_drvinfo(struct net_device *net,