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| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-04-09 11:49:58 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:28:50 -0700 |
| commit | ffe1d49cc300f3dff990093aa952a2fbb371c1b6 (patch) | |
| tree | 2e23c0f31b0873ff93e3027d176604e9a0a25308 | |
| parent | b86c45035c439cfa6ef5b2e4bf080b24bd8765f1 (diff) | |
| download | linux-ffe1d49cc300f3dff990093aa952a2fbb371c1b6.tar.gz linux-ffe1d49cc300f3dff990093aa952a2fbb371c1b6.tar.bz2 linux-ffe1d49cc300f3dff990093aa952a2fbb371c1b6.zip | |
bridge: allow changing hardware address to any valid address
For case of bridging pseudo devices, the get created/destroyed (Xen)
need to allow setting address to any valid value.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
| -rw-r--r-- | net/bridge/br_device.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index b22ada529cc3..39b87dad35b7 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -83,27 +83,22 @@ static int br_change_mtu(struct net_device *dev, int new_mtu) return 0; } -/* Allow setting mac address of pseudo-bridge to be same as - * any of the bound interfaces - */ +/* Allow setting mac address to any valid ethernet address. */ static int br_set_mac_address(struct net_device *dev, void *p) { struct net_bridge *br = netdev_priv(dev); struct sockaddr *addr = p; struct net_bridge_port *port; - int err = -EADDRNOTAVAIL; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EINVAL; spin_lock_bh(&br->lock); - list_for_each_entry(port, &br->port_list, list) { - if (!compare_ether_addr(port->dev->dev_addr, addr->sa_data)) { - br_stp_change_bridge_id(br, addr->sa_data); - err = 0; - break; - } - } + memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); + br_stp_change_bridge_id(br, addr->sa_data); spin_unlock_bh(&br->lock); - return err; + return 0; } static void br_getinfo(struct net_device *dev, struct ethtool_drvinfo *info) |