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Diffstat (limited to 'net/batman-adv/distributed-arp-table.c')
-rw-r--r--net/batman-adv/distributed-arp-table.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index edee504..b25fd64 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -277,7 +277,7 @@ static void batadv_dat_entry_add(struct batadv_priv *bat_priv, __be32 ip,
/* if this entry is already known, just update it */
if (dat_entry) {
if (!batadv_compare_eth(dat_entry->mac_addr, mac_addr))
- memcpy(dat_entry->mac_addr, mac_addr, ETH_ALEN);
+ ether_addr_copy(dat_entry->mac_addr, mac_addr);
dat_entry->last_update = jiffies;
batadv_dbg(BATADV_DBG_DAT, bat_priv,
"Entry updated: %pI4 %pM (vid: %d)\n",
@@ -292,7 +292,7 @@ static void batadv_dat_entry_add(struct batadv_priv *bat_priv, __be32 ip,
dat_entry->ip = ip;
dat_entry->vid = vid;
- memcpy(dat_entry->mac_addr, mac_addr, ETH_ALEN);
+ ether_addr_copy(dat_entry->mac_addr, mac_addr);
dat_entry->last_update = jiffies;
atomic_set(&dat_entry->refcount, 2);
@@ -1027,6 +1027,11 @@ bool batadv_dat_snoop_incoming_arp_request(struct batadv_priv *bat_priv,
if (!skb_new)
goto out;
+ /* the rest of the TX path assumes that the mac_header offset pointing
+ * to the inner Ethernet header has been set, therefore reset it now.
+ */
+ skb_reset_mac_header(skb_new);
+
if (vid & BATADV_VLAN_HAS_TAG)
skb_new = vlan_insert_tag(skb_new, htons(ETH_P_8021Q),
vid & VLAN_VID_MASK);
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