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authorDavid S. Miller <davem@davemloft.net>2019-04-26 06:52:29 +0300
committerDavid S. Miller <davem@davemloft.net>2019-04-26 06:52:29 +0300
commit8b4483658364f05b2e32845c8f445cdfd9452286 (patch)
tree4734ef83378b1e90475ec4776ac72dfe16a7249b /drivers/net/team
parentc049d56eb219661c9ae48d596c3e633973f89d1f (diff)
parentcd8dead0c39457e58ec1d36db93aedca811d48f1 (diff)
downloadlinux-8b4483658364f05b2e32845c8f445cdfd9452286.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two easy cases of overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/team')
-rw-r--r--drivers/net/team/team.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 699a8870e928..eb4711bfc52a 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1154,6 +1154,13 @@ static int team_port_add(struct team *team, struct net_device *port_dev,
return -EINVAL;
}
+ if (netdev_has_upper_dev(dev, port_dev)) {
+ NL_SET_ERR_MSG(extack, "Device is already an upper device of the team interface");
+ netdev_err(dev, "Device %s is already an upper device of the team interface\n",
+ portname);
+ return -EBUSY;
+ }
+
if (port_dev->features & NETIF_F_VLAN_CHALLENGED &&
vlan_uses_dev(dev)) {
NL_SET_ERR_MSG(extack, "Device is VLAN challenged and team device has VLAN set up");