This patch makes the address length as argument for the
ndisc_fill_addr_option function. This is necessary to handle addresses
which don't use dev->addr_len as address length.
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>
Cc: James Morris <jmorris@xxxxxxxxx>
Cc: Hideaki YOSHIFUJI <yoshfuji@xxxxxxxxxxxxxx>
Cc: Patrick McHardy <kaber@xxxxxxxxx>
Signed-off-by: Alexander Aring <aar@xxxxxxxxxxxxxx>
---
net/ipv6/ndisc.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 4e91d5e..176c7c4 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -150,11 +150,11 @@ struct neigh_table nd_tbl = {
};
EXPORT_SYMBOL_GPL(nd_tbl);
-static void ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data)
+static void ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
+ int data_len)
{
int pad = ndisc_addr_option_pad(skb->dev->type);
- int data_len = skb->dev->addr_len;
- int space = ndisc_opt_addr_space(skb->dev, skb->dev->addr_len);
+ int space = ndisc_opt_addr_space(skb->dev, data_len);
u8 *opt = skb_put(skb, space);
opt[0] = type;
@@ -528,7 +528,7 @@ void ndisc_send_na(struct net_device *dev, const struct in6_addr *daddr,
if (inc_opt)
ndisc_fill_addr_option(skb, ND_OPT_TARGET_LL_ADDR,
- dev->dev_addr);
+ dev->dev_addr, dev->addr_len);
ndisc_send_skb(skb, daddr, src_addr);
@@ -590,7 +590,7 @@ void ndisc_send_ns(struct net_device *dev, const struct in6_addr *solicit,
if (inc_opt)
ndisc_fill_addr_option(skb, ND_OPT_SOURCE_LL_ADDR,
- dev->dev_addr);
+ dev->dev_addr, dev->addr_len);
ndisc_send_skb(skb, daddr, saddr);
}
@@ -641,7 +641,7 @@ void ndisc_send_rs(struct net_device *dev, const struct in6_addr *saddr,
if (send_sllao)
ndisc_fill_addr_option(skb, ND_OPT_SOURCE_LL_ADDR,
- dev->dev_addr);
+ dev->dev_addr, dev->addr_len);
ndisc_send_skb(skb, daddr, saddr);
}
@@ -1597,7 +1597,8 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target)
*/
if (ha)
- ndisc_fill_addr_option(buff, ND_OPT_TARGET_LL_ADDR, ha);
+ ndisc_fill_addr_option(buff, ND_OPT_TARGET_LL_ADDR, ha,
+ dev->addr_len);
/*
* build redirect option and copy skb over to the new packet.
--
2.8.0
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