From: Toshiaki Makita Date: Fri, 7 Feb 2014 07:48:20 +0000 (+0900) Subject: bridge: Fix the way to find old local fdb entries in br_fdb_change_mac_address X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a3ebb7efe7033d903d86c9d664f07a9cc21747b3;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git bridge: Fix the way to find old local fdb entries in br_fdb_change_mac_address We have been always failed to delete the old entry at br_fdb_change_mac_address() because br_set_mac_address() updates dev->dev_addr before calling br_fdb_change_mac_address() and br_fdb_change_mac_address() uses dev->dev_addr to find the old entry. That update of dev_addr is completely unnecessary because the same work is done in br_stp_change_bridge_id() which is called right away after calling br_fdb_change_mac_address(). Signed-off-by: Toshiaki Makita Acked-by: Vlad Yasevich Signed-off-by: David S. Miller --- diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index d9a9b0fc1795..6f5cbd1a2f38 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -187,8 +187,8 @@ static int br_set_mac_address(struct net_device *dev, void *p) spin_lock_bh(&br->lock); if (!ether_addr_equal(dev->dev_addr, addr->sa_data)) { - memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); br_fdb_change_mac_address(br, addr->sa_data); + /* Mac address will be changed in br_stp_change_bridge_id(). */ br_stp_change_bridge_id(br, addr->sa_data); } spin_unlock_bh(&br->lock);