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Date:   Thu, 24 Sep 2020 08:30:00 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        Matthieu Baerts <matthieu.baerts@...sares.net>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Geliang Tang <geliangtang@...il.com>, netdev@...r.kernel.org,
        mptcp@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [MPTCP][PATCH net-next 14/16] mptcp: add struct mptcp_pm_add_entry

Add a new struct mptcp_pm_add_entry to describe add_addr's entry.

Acked-by: Paolo Abeni <pabeni@...hat.com>
Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 net/mptcp/pm_netlink.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index b33aebd85bd5..701972b55a45 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -28,6 +28,11 @@ struct mptcp_pm_addr_entry {
 	struct rcu_head		rcu;
 };
 
+struct mptcp_pm_add_entry {
+	struct list_head	list;
+	struct mptcp_addr_info	addr;
+};
+
 struct pm_nl_pernet {
 	/* protects pernet updates */
 	spinlock_t		lock;
@@ -181,7 +186,7 @@ static void check_work_pending(struct mptcp_sock *msk)
 static bool lookup_anno_list_by_saddr(struct mptcp_sock *msk,
 				      struct mptcp_addr_info *addr)
 {
-	struct mptcp_pm_addr_entry *entry;
+	struct mptcp_pm_add_entry *entry;
 
 	list_for_each_entry(entry, &msk->pm.anno_list, list) {
 		if (addresses_equal(&entry->addr, addr, false))
@@ -194,23 +199,23 @@ static bool lookup_anno_list_by_saddr(struct mptcp_sock *msk,
 static bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk,
 				     struct mptcp_pm_addr_entry *entry)
 {
-	struct mptcp_pm_addr_entry *clone = NULL;
+	struct mptcp_pm_add_entry *add_entry = NULL;
 
 	if (lookup_anno_list_by_saddr(msk, &entry->addr))
 		return false;
 
-	clone = kmemdup(entry, sizeof(*entry), GFP_ATOMIC);
-	if (!clone)
+	add_entry = kmalloc(sizeof(*add_entry), GFP_ATOMIC);
+	if (!add_entry)
 		return false;
 
-	list_add(&clone->list, &msk->pm.anno_list);
+	list_add(&add_entry->list, &msk->pm.anno_list);
 
 	return true;
 }
 
 void mptcp_pm_free_anno_list(struct mptcp_sock *msk)
 {
-	struct mptcp_pm_addr_entry *entry, *tmp;
+	struct mptcp_pm_add_entry *entry, *tmp;
 
 	pr_debug("msk=%p", msk);
 
@@ -654,7 +659,7 @@ __lookup_addr_by_id(struct pm_nl_pernet *pernet, unsigned int id)
 static bool remove_anno_list_by_saddr(struct mptcp_sock *msk,
 				      struct mptcp_addr_info *addr)
 {
-	struct mptcp_pm_addr_entry *entry, *tmp;
+	struct mptcp_pm_add_entry *entry, *tmp;
 
 	list_for_each_entry_safe(entry, tmp, &msk->pm.anno_list, list) {
 		if (addresses_equal(&entry->addr, addr, false)) {
-- 
2.17.1

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