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Merge tag 'v4.4.207' into 10
[sagit-ice-cold/kernel_xiaomi_msm8998.git]
/
net
/
bridge
/
br_device.c
diff --git
a/net/bridge/br_device.c
b/net/bridge/br_device.c
index
0346c21
..
8d013fe
100644
(file)
--- a/
net/bridge/br_device.c
+++ b/
net/bridge/br_device.c
@@
-200,6
+200,12
@@
static int br_set_mac_address(struct net_device *dev, void *p)
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
+ /* dev_set_mac_addr() can be called by a master device on bridge's
+ * NETDEV_UNREGISTER, but since it's being destroyed do nothing
+ */
+ if (dev->reg_state != NETREG_REGISTERED)
+ return -EBUSY;
+
spin_lock_bh(&br->lock);
if (!ether_addr_equal(dev->dev_addr, addr->sa_data)) {
/* Mac address will be changed in br_stp_change_bridge_id(). */
spin_lock_bh(&br->lock);
if (!ether_addr_equal(dev->dev_addr, addr->sa_data)) {
/* Mac address will be changed in br_stp_change_bridge_id(). */