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 <[email protected]>
Reviewed-by: Petr Machata <[email protected]>
---
 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;
-- 
2.40.1


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