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| author |   David S. Miller <davem@davemloft.net> | 2015-06-24 02:58:51 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-06-24 02:58:51 -0700 |
| commit | 3a07bd6fead4f00f67b1bf5f551e686661c4f52c (patch) | |
| tree | f8b8f257d928a9ae1aeb3fdbe748f03f1012f02e /net/core/neighbour.c | |
| parent | net: inet_diag: export IPV6_V6ONLY sockopt (diff) | |
| parent | stmmac: troubleshoot unexpected bits in des0 & des1 (diff) | |
| download | linux-dev-3a07bd6fead4f00f67b1bf5f551e686661c4f52c.tar.xz linux-dev-3a07bd6fead4f00f67b1bf5f551e686661c4f52c.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/mellanox/mlx4/main.c
net/packet/af_packet.c
Both conflicts were cases of simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/neighbour.c')
| -rw-r--r-- | net/core/neighbour.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 3a74df750af4..84195dacb8b6 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -958,6 +958,8 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb) rc = 0; if (neigh->nud_state & (NUD_CONNECTED | NUD_DELAY | NUD_PROBE)) goto out_unlock_bh; + if (neigh->dead) + goto out_dead; if (!(neigh->nud_state & (NUD_STALE | NUD_INCOMPLETE))) { if (NEIGH_VAR(neigh->parms, MCAST_PROBES) + @@ -1014,6 +1016,13 @@ out_unlock_bh: write_unlock(&neigh->lock); local_bh_enable(); return rc; + +out_dead: + if (neigh->nud_state & NUD_STALE) + goto out_unlock_bh; + write_unlock_bh(&neigh->lock); + kfree_skb(skb); + return 1; } EXPORT_SYMBOL(__neigh_event_send); @@ -1077,6 +1086,8 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new, if (!(flags & NEIGH_UPDATE_F_ADMIN) && (old & (NUD_NOARP | NUD_PERMANENT))) goto out; + if (neigh->dead) + goto out; if (!(new & NUD_VALID)) { neigh_del_timer(neigh); @@ -1228,6 +1239,8 @@ EXPORT_SYMBOL(neigh_update); */ void __neigh_set_probe_once(struct neighbour *neigh) { + if (neigh->dead) + return; neigh->updated = jiffies; if (!(neigh->nud_state & NUD_FAILED)) return; |