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authorVeaceslav Falico2013-08-02 19:07:39 +0200
committerDavid S. Miller2013-08-02 15:44:23 -0700
commit9918d5bf329d0dc5bb2d9d293bcb772bdb626e65 (patch)
treee7dab36220c48573e4475034c9c68ce083219a93 /drivers/net/bonding/bond_main.c
parent63134803a6369dcf7dddf7f0d5e37b9566b308d2 (diff)
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/bonding/bond_main.c')
-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 1d37a9657e0d..476df7d2a354 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3630,11 +3630,17 @@ 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;
}