netdev - [RFC PATCH net-next 06/22] nexthop: Pass extack to nexthop notifier

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Date:   Tue,  8 Sep 2020 12:10:21 +0300
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, dsahern@...il.com,
        roopa@...dia.com, mlxsw@...dia.com,
        Ido Schimmel <idosch@...dia.com>
Subject: [RFC PATCH net-next 06/22] nexthop: Pass extack to nexthop notifier

From: Ido Schimmel <idosch@...dia.com>

The next patch will add extack to the notification info. This allows
listeners to veto notifications and communicate the reason to user space.

Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 net/ipv4/nexthop.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index 8c0f17c6863c..dafcb9f17250 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -38,7 +38,8 @@ static const struct nla_policy rtm_nh_policy[NHA_MAX + 1] = {
 
 static int call_nexthop_notifiers(struct net *net,
 				  enum nexthop_event_type event_type,
-				  struct nexthop *nh)
+				  struct nexthop *nh,
+				  struct netlink_ext_ack *extack)
 {
 	int err;
 
@@ -907,7 +908,7 @@ static void __remove_nexthop(struct net *net, struct nexthop *nh,
 static void remove_nexthop(struct net *net, struct nexthop *nh,
 			   struct nl_info *nlinfo)
 {
-	call_nexthop_notifiers(net, NEXTHOP_EVENT_DEL, nh);
+	call_nexthop_notifiers(net, NEXTHOP_EVENT_DEL, nh, NULL);
 
 	/* remove from the tree */
 	rb_erase(&nh->rb_node, &net->nexthop.rb_root);
-- 
2.26.2