| From | Luis Henriques <> | Subject | [PATCH 040/104] neighbour: populate neigh_parms on alloc before calling ndo_neigh_setup | Date | Mon, 30 Sep 2013 11:10:17 +0100 |
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3.5.7.22 -stable review patch. If anyone has any objections, please let me know.
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From: Veaceslav Falico <vfalico@redhat.com>
commit 63134803a6369dcf7dddf7f0d5e37b9566b308d2 upstream.
dev->ndo_neigh_setup() might need some of the values of neigh_parms, so populate them before calling it.
Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- net/core/neighbour.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index c09f82b..38d5188 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1443,16 +1443,18 @@ struct neigh_parms *neigh_parms_alloc(struct net_device *dev, atomic_set(&p->refcnt, 1); p->reachable_time = neigh_rand_reach_time(p->base_reachable_time); + dev_hold(dev); + p->dev = dev; + write_pnet(&p->net, hold_net(net)); + p->sysctl_table = NULL; if (ops->ndo_neigh_setup && ops->ndo_neigh_setup(dev, p)) { + release_net(net); + dev_put(dev); kfree(p); return NULL; } - dev_hold(dev); - p->dev = dev; - write_pnet(&p->net, hold_net(net)); - p->sysctl_table = NULL; write_lock_bh(&tbl->lock); p->next = tbl->parms.next; tbl->parms.next = p; -- 1.8.3.2
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