linux-kernel - [PATCH net-next] net: netlink: Remove the dump_cb_mutex field from struct netlink

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Message-ID: <c15ce0846e0aed6f342d85f36092c386c6148d00.1724309198.git.christophe.jaillet@wanadoo.fr>
Date: Thu, 22 Aug 2024 09:03:20 +0200
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	netdev@...r.kernel.org
Subject: [PATCH net-next] net: netlink: Remove the dump_cb_mutex field from struct netlink_sock

Commit 5fbf57a937f4 ("net: netlink: remove the cb_mutex "injection" from
netlink core") has removed the usage of the 'dump_cb_mutex' field from the
struct netlink_sock.

Remove the field itself now. It saves a few bytes in the structure.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
Compile tested only
---
 net/netlink/af_netlink.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/netlink/af_netlink.h b/net/netlink/af_netlink.h
index 9751e29d4bbb..5b0e4e62ab8b 100644
--- a/net/netlink/af_netlink.h
+++ b/net/netlink/af_netlink.h
@@ -41,7 +41,6 @@ struct netlink_sock {
 	struct netlink_callback	cb;
 	struct mutex		nl_cb_mutex;
 
-	struct mutex		*dump_cb_mutex;
 	void			(*netlink_rcv)(struct sk_buff *skb);
 	int			(*netlink_bind)(struct net *net, int group);
 	void			(*netlink_unbind)(struct net *net, int group);
-- 
2.46.0