[PATCH net-next v4 3/4] net: hsr: allow PRP RedBox (interlink) creation

[Xin Xie <xiexinet@gmail.com>]

With the PRP interlink datapath, duplicate discard and supervision support
in place, a PRP device can act as a RedBox. Remove the rtnetlink rejection
of "type hsr ... interlink <dev> proto 1"; the feature is implemented
unconditionally by the preceding patches.

Signed-off-by: Xin Xie <xiexinet@gmail.com>
---
 net/hsr/hsr_netlink.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c
index 8099f2069a7..88940e8014b 100644
--- a/net/hsr/hsr_netlink.c
+++ b/net/hsr/hsr_netlink.c
@@ -121,14 +121,8 @@ static int hsr_newlink(struct net_device *dev,
 		}
 	}
 
-	if (proto == HSR_PROTOCOL_PRP) {
+	if (proto == HSR_PROTOCOL_PRP)
 		proto_version = PRP_V1;
-		if (interlink) {
-			NL_SET_ERR_MSG_MOD(extack,
-					   "Interlink only works with HSR");
-			return -EINVAL;
-		}
-	}
 
 	return hsr_dev_finalize(dev, link, interlink, multicast_spec,
 				proto_version, extack);
-- 
2.53.0