From ae514983f2e416cb1476bdd8e23b6d9be4ce94cd Mon Sep 17 00:00:00 2001
From: Jianguo Wu <wujianguo@chinatelecom.cn>
Date: Thu, 27 May 2021 16:54:27 -0700
Subject: [PATCH] mptcp: remove redundant initialization in pm_nl_init_net()
Memory of struct pm_nl_pernet{} is allocated by kzalloc()
in setup_net()->ops_init(), so it's no need to reset counters
and zero bitmap in pm_nl_init_net().
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/mptcp/pm_netlink.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 2469e06a3a9d6..7dbc4f308dbe3 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -1913,10 +1913,13 @@ static int __net_init pm_nl_init_net(struct net *net)
struct pm_nl_pernet *pernet = net_generic(net, pm_nl_pernet_id);
INIT_LIST_HEAD_RCU(&pernet->local_addr_list);
- __reset_counters(pernet);
pernet->next_id = 1;
- bitmap_zero(pernet->id_bitmap, MAX_ADDR_ID + 1);
spin_lock_init(&pernet->lock);
+
+ /* No need to initialize other pernet fields, the struct is zeroed at
+ * allocation time.
+ */
+
return 0;
}
--
2.30.2