packages/net/batman-adv/patches/0002-batman-adv-Fix-change-mac-address-of-soft-iface.patch

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From 86fa71a4985f60da5918e1f43136dae77852cdc3 Mon Sep 17 00:00:00 2001
From: Def <def@laposte.net>
Date: Thu, 20 Sep 2012 14:56:13 +0200
Subject: [PATCH] batman-adv: Fix change mac address of soft iface.
Into function interface_set_mac_addr, the function tt_local_add was
invoked before updating dev->dev_addr. The new MAC address was not
tagged as NoPurge.
Signed-off-by: Def <def@laposte.net>
---
soft-interface.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/soft-interface.c b/soft-interface.c
index cf26e41..b762068 100644
--- a/soft-interface.c
+++ b/soft-interface.c
@@ -100,18 +100,21 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
struct sockaddr *addr = p;
+ uint8_t old_addr[ETH_ALEN];
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
+ memcpy(old_addr, dev->dev_addr, ETH_ALEN);
+ memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+
/* only modify transtable if it has been initialized before */
if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) {
- batadv_tt_local_remove(bat_priv, dev->dev_addr,
+ batadv_tt_local_remove(bat_priv, old_addr,
"mac address changed", false);
batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX);
}
- memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
dev->addr_assign_type &= ~NET_ADDR_RANDOM;
return 0;
}
--
1.7.9.1