diff options
| author | David S. Miller <davem@davemloft.net> | 2018-01-17 00:00:25 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-17 00:10:42 -0500 |
| commit | c02b3741eb99a1ec733e6134c53ba59e43e19e97 (patch) | |
| tree | ff7dd96c32dec2abe530e7101378443dabcb8962 /net/ipv4/arp.c | |
| parent | 7018d1b3f20fb4308ed9bc577160cb8ffb79b62a (diff) | |
| parent | 8cbab92dff778e516064c13113ca15d4869ec883 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Overlapping changes all over.
The mini-qdisc bits were a little bit tricky, however.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/arp.c')
| -rw-r--r-- | net/ipv4/arp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 56aef027df31..f28f06c91ead 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -223,11 +223,16 @@ static bool arp_key_eq(const struct neighbour *neigh, const void *pkey) static int arp_constructor(struct neighbour *neigh) { - __be32 addr = *(__be32 *)neigh->primary_key; + __be32 addr; struct net_device *dev = neigh->dev; struct in_device *in_dev; struct neigh_parms *parms; + u32 inaddr_any = INADDR_ANY; + if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT)) + memcpy(neigh->primary_key, &inaddr_any, arp_tbl.key_len); + + addr = *(__be32 *)neigh->primary_key; rcu_read_lock(); in_dev = __in_dev_get_rcu(dev); if (!in_dev) { |