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authorIngo Molnar <[email protected]>2018-10-09 08:50:10 +0200
committerIngo Molnar <[email protected]>2018-10-09 08:50:10 +0200
commitfc8eaa85681fa72dc6a4e46f01c92e4fba83d0ab (patch)
treeb044fab426f2167ceeb37ed6fe58f7f11b10cebd /drivers/net/team/team.c
parent2cc81c6992248ea37d0241bc325977bab310bc3b (diff)
parent49e00eee00612b1357596fed8a88b621a7648c14 (diff)
Merge branch 'x86/urgent' into x86/cache, to pick up dependent fix
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'drivers/net/team/team.c')
-rw-r--r--drivers/net/team/team.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 6a047d30e8c6..d887016e54b6 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1167,6 +1167,12 @@ static int team_port_add(struct team *team, struct net_device *port_dev,
return -EBUSY;
}
+ if (dev == port_dev) {
+ NL_SET_ERR_MSG(extack, "Cannot enslave team device to itself");
+ netdev_err(dev, "Cannot enslave team device to itself\n");
+ return -EINVAL;
+ }
+
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");