diff options
Diffstat (limited to 'net/core/neighbour.c')
| -rw-r--r-- | net/core/neighbour.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index b963d6b02c4f..2d5bc3a75fae 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2528,6 +2528,13 @@ static bool neigh_master_filtered(struct net_device *dev, int master_idx) return false; master = dev ? netdev_master_upper_dev_get(dev) : NULL; + + /* 0 is already used to denote NDA_MASTER wasn't passed, therefore need another + * invalid value for ifindex to denote "no master". + */ + if (master_idx == -1) + return !!master; + if (!master || master->ifindex != master_idx) return true; |