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Message-ID: <20241011220550.46040-4-kuniyu@amazon.com>
Date: Fri, 11 Oct 2024 15:05:42 -0700
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
	<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>
CC: Kuniyuki Iwashima <kuniyu@...zon.com>, Kuniyuki Iwashima
	<kuni1840@...il.com>, <netdev@...r.kernel.org>
Subject: [PATCH v1 net-next 03/11] neighbour: Use rtnl_register_many().

We will remove rtnl_register() in favour of rtnl_register_many().

When it succeeds, rtnl_register_many() guarantees all rtnetlink types
in the passed array are supported, and there is no chance that a part
of message types is not supported.

Let's use rtnl_register_many() instead.

Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.com>
---
 net/core/neighbour.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 77b819cd995b..f6137ee80965 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -3886,17 +3886,18 @@ EXPORT_SYMBOL(neigh_sysctl_unregister);
 
 #endif	/* CONFIG_SYSCTL */
 
+static const struct rtnl_msg_handler neigh_rtnl_msg_handlers[] = {
+	{NULL, PF_UNSPEC, RTM_NEWNEIGH, neigh_add, NULL, 0},
+	{NULL, PF_UNSPEC, RTM_DELNEIGH, neigh_delete, NULL, 0},
+	{NULL, PF_UNSPEC, RTM_GETNEIGH, neigh_get, neigh_dump_info,
+	 RTNL_FLAG_DUMP_UNLOCKED},
+	{NULL, PF_UNSPEC, RTM_GETNEIGHTBL, NULL, neightbl_dump_info, 0},
+	{NULL, PF_UNSPEC, RTM_SETNEIGHTBL, neightbl_set, NULL, 0},
+};
+
 static int __init neigh_init(void)
 {
-	rtnl_register(PF_UNSPEC, RTM_NEWNEIGH, neigh_add, NULL, 0);
-	rtnl_register(PF_UNSPEC, RTM_DELNEIGH, neigh_delete, NULL, 0);
-	rtnl_register(PF_UNSPEC, RTM_GETNEIGH, neigh_get, neigh_dump_info,
-		      RTNL_FLAG_DUMP_UNLOCKED);
-
-	rtnl_register(PF_UNSPEC, RTM_GETNEIGHTBL, NULL, neightbl_dump_info,
-		      0);
-	rtnl_register(PF_UNSPEC, RTM_SETNEIGHTBL, neightbl_set, NULL, 0);
-
+	rtnl_register_many(neigh_rtnl_msg_handlers);
 	return 0;
 }
 
-- 
2.39.5 (Apple Git-154)


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