Re: [PATCH net-next 4/9] rtnetlink: bridge: Invoke MDB bulk deletion when needed

Invoke the new MDB bulk deletion device operation when the 'NLM_F_BULK'
flag is set in the netlink message header.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
---
  net/core/rtnetlink.c | 8 ++++++++
  1 file changed, 8 insertions(+)

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 30f030a672f2..349255151ad0 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c

@@ -6494,6 +6494,14 @@ static int rtnl_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
  		return -EINVAL;
  	}
  
+	if (del_bulk) {
+		if (!dev->netdev_ops->ndo_mdb_del_bulk) {
+			NL_SET_ERR_MSG(extack, "Device does not support MDB bulk deletion");
+			return -EOPNOTSUPP;
+		}
+		return dev->netdev_ops->ndo_mdb_del_bulk(dev, tb, extack);
+	}
+
  	if (!dev->netdev_ops->ndo_mdb_del) {
  		NL_SET_ERR_MSG(extack, "Device does not support MDB operations");
  		return -EOPNOTSUPP;