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path: root/drivers/net/macvlan.c
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Diffstat (limited to 'drivers/net/macvlan.c')
-rw-r--r--drivers/net/macvlan.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 1c502bb0c91..6e91931a1c2 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -853,18 +853,24 @@ static int macvlan_changelink(struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[])
{
struct macvlan_dev *vlan = netdev_priv(dev);
- if (data && data[IFLA_MACVLAN_MODE])
- vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]);
+
if (data && data[IFLA_MACVLAN_FLAGS]) {
__u16 flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]);
bool promisc = (flags ^ vlan->flags) & MACVLAN_FLAG_NOPROMISC;
-
- if (promisc && (flags & MACVLAN_FLAG_NOPROMISC))
- dev_set_promiscuity(vlan->lowerdev, -1);
- else if (promisc && !(flags & MACVLAN_FLAG_NOPROMISC))
- dev_set_promiscuity(vlan->lowerdev, 1);
+ if (vlan->port->passthru && promisc) {
+ int err;
+
+ if (flags & MACVLAN_FLAG_NOPROMISC)
+ err = dev_set_promiscuity(vlan->lowerdev, -1);
+ else
+ err = dev_set_promiscuity(vlan->lowerdev, 1);
+ if (err < 0)
+ return err;
+ }
vlan->flags = flags;
}
+ if (data && data[IFLA_MACVLAN_MODE])
+ vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]);
return 0;
}