diff options
Diffstat (limited to 'net/core/rtnetlink.c')
| -rw-r--r-- | net/core/rtnetlink.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 7c9d32cfe607..2dcf1c084b20 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1959,6 +1959,13 @@ static bool link_master_filtered(struct net_device *dev, int master_idx) return false; master = netdev_master_upper_dev_get(dev); + + /* 0 is already used to denote IFLA_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; |