When there are both pop and push ethernet header actions among the actions to be applied to a packet, an unexpected EINVAL (Invalid argument) error is obtained. This is due to mac_proto not being reset correctly when those actions are validated.
Reported-at: https://mail.openvswitch.org/pipermail/ovs-discuss/2018-October/047554.html Fixes: 91820da6ae85 ("openvswitch: add Ethernet push and pop actions") Signed-off-by: Jaime Caamaño Ruiz <jcaam...@suse.com> --- net/openvswitch/flow_netlink.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c index a70097ecf33c..865ecef68196 100644 --- a/net/openvswitch/flow_netlink.c +++ b/net/openvswitch/flow_netlink.c @@ -3030,7 +3030,7 @@ static int __ovs_nla_copy_actions(struct net *net, const struct nlattr *attr, * is already present */ if (mac_proto != MAC_PROTO_NONE) return -EINVAL; - mac_proto = MAC_PROTO_NONE; + mac_proto = MAC_PROTO_ETHERNET; break; case OVS_ACTION_ATTR_POP_ETH: @@ -3038,7 +3038,7 @@ static int __ovs_nla_copy_actions(struct net *net, const struct nlattr *attr, return -EINVAL; if (vlan_tci & htons(VLAN_TAG_PRESENT)) return -EINVAL; - mac_proto = MAC_PROTO_ETHERNET; + mac_proto = MAC_PROTO_NONE; break; case OVS_ACTION_ATTR_PUSH_NSH: -- 2.16.4
