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authorVeaceslav Falico <vfalico@redhat.com>2013-08-02 19:07:39 +0200
committerDavid S. Miller <davem@davemloft.net>2013-08-05 15:19:04 -0700
commit3b380877d58604686c2526c19154d656c25d2953 (patch)
tree1222c73785c455dcd2378e2e2cca6d4d3e005664 /drivers/net
parentfc7f8f5c53fdb82d4689e24df3da1a88bc3859f7 (diff)
downloadlinux-3b380877d58604686c2526c19154d656c25d2953.tar.gz
bonding: modify only neigh_parms owned by us
Otherwise, on neighbour creation, bond_neigh_init() will be called with a foreign netdev. Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/bonding/bond_main.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 07f257d44a1e..e48cb339c0c6 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3714,11 +3714,17 @@ static int bond_neigh_init(struct neighbour *n)
* The bonding ndo_neigh_setup is called at init time beofre any
* slave exists. So we must declare proxy setup function which will
* be used at run time to resolve the actual slave neigh param setup.
+ *
+ * It's also called by master devices (such as vlans) to setup their
+ * underlying devices. In that case - do nothing, we're already set up from
+ * our init.
*/
static int bond_neigh_setup(struct net_device *dev,
struct neigh_parms *parms)
{
- parms->neigh_setup = bond_neigh_init;
+ /* modify only our neigh_parms */
+ if (parms->dev == dev)
+ parms->neigh_setup = bond_neigh_init;
return 0;
}