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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-08 18:14:03 -0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-08 18:14:03 -0300
commitfb810cb5eda8c47e3afbb45ea6b9676841d29e8d (patch)
tree618af9a957c6744e59d0183619a2e6cbbf685233 /net/8021q/vlan_dev.c
parent241d9bb3427e1d074daa864a65730412b9a47a39 (diff)
parenta99cde438de0c4c0cecc1d1af1a55a75b10bfdef (diff)
Merge tag 'v4.7-rc6' into patchwork
Linux 4.7-rc6 * tag 'v4.7-rc6': (1245 commits) Linux 4.7-rc6 ovl: warn instead of error if d_type is not supported MIPS: Fix possible corruption of cache mode by mprotect. locks: use file_inode() usb: dwc3: st: Use explicit reset_control_get_exclusive() API phy: phy-stih407-usb: Use explicit reset_control_get_exclusive() API phy: miphy28lp: Inform the reset framework that our reset line may be shared namespace: update event counter when umounting a deleted dentry 9p: use file_dentry() lockd: unregister notifier blocks if the service fails to come up completely ACPI,PCI,IRQ: correct operator precedence fuse: serialize dirops by default drm/i915: Fix missing unlock on error in i915_ppgtt_info() powerpc: Initialise pci_io_base as early as possible mfd: da9053: Fix compiler warning message for uninitialised variable mfd: max77620: Fix FPS switch statements phy: phy-stih407-usb: Inform the reset framework that our reset line may be shared usb: dwc3: st: Inform the reset framework that our reset line may be shared usb: host: ehci-st: Inform the reset framework that our reset line may be shared usb: host: ohci-st: Inform the reset framework that our reset line may be shared ...
Diffstat (limited to 'net/8021q/vlan_dev.c')
-rw-r--r--net/8021q/vlan_dev.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index e7e62570bdb8..86ae75b77390 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -245,6 +245,17 @@ void vlan_dev_get_realdev_name(const struct net_device *dev, char *result)
strncpy(result, vlan_dev_priv(dev)->real_dev->name, 23);
}
+bool vlan_dev_inherit_address(struct net_device *dev,
+ struct net_device *real_dev)
+{
+ if (dev->addr_assign_type != NET_ADDR_STOLEN)
+ return false;
+
+ ether_addr_copy(dev->dev_addr, real_dev->dev_addr);
+ call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
+ return true;
+}
+
static int vlan_dev_open(struct net_device *dev)
{
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
@@ -255,7 +266,8 @@ static int vlan_dev_open(struct net_device *dev)
!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
return -ENETDOWN;
- if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr)) {
+ if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr) &&
+ !vlan_dev_inherit_address(dev, real_dev)) {
err = dev_uc_add(real_dev, dev->dev_addr);
if (err < 0)
goto out;
@@ -560,8 +572,10 @@ static int vlan_dev_init(struct net_device *dev)
/* ipv6 shared card related stuff */
dev->dev_id = real_dev->dev_id;
- if (is_zero_ether_addr(dev->dev_addr))
- eth_hw_addr_inherit(dev, real_dev);
+ if (is_zero_ether_addr(dev->dev_addr)) {
+ ether_addr_copy(dev->dev_addr, real_dev->dev_addr);
+ dev->addr_assign_type = NET_ADDR_STOLEN;
+ }
if (is_zero_ether_addr(dev->broadcast))
memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len);