[PATCH net-next 9/9] mptcp: pass addr to mptcp_pm_alloc_anno_list

From: Matthieu Baerts
Date: Tue Jun 20 2023 - 12:31:31 EST


From: Geliang Tang <geliang.tang@xxxxxxxx>

Pass addr parameter to mptcp_pm_alloc_anno_list() instead of entry. We
can reduce the scope, e.g. in mptcp_pm_alloc_anno_list(), we only access
"entry->addr", we can then restrict to the pointer to "addr" then.

Signed-off-by: Geliang Tang <geliang.tang@xxxxxxxx>
Reviewed-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx>
Signed-off-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx>
---
net/mptcp/pm_netlink.c | 8 ++++----
net/mptcp/pm_userspace.c | 2 +-
net/mptcp/protocol.h | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index a12a87b780f6..c01a7197581d 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -341,7 +341,7 @@ mptcp_pm_del_add_timer(struct mptcp_sock *msk,
}

bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk,
- const struct mptcp_pm_addr_entry *entry)
+ const struct mptcp_addr_info *addr)
{
struct mptcp_pm_add_entry *add_entry = NULL;
struct sock *sk = (struct sock *)msk;
@@ -349,7 +349,7 @@ bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk,

lockdep_assert_held(&msk->pm.lock);

- add_entry = mptcp_lookup_anno_list_by_saddr(msk, &entry->addr);
+ add_entry = mptcp_lookup_anno_list_by_saddr(msk, addr);

if (add_entry) {
if (mptcp_pm_is_kernel(msk))
@@ -366,7 +366,7 @@ bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk,

list_add(&add_entry->list, &msk->pm.anno_list);

- add_entry->addr = entry->addr;
+ add_entry->addr = *addr;
add_entry->sock = msk;
add_entry->retrans_times = 0;

@@ -576,7 +576,7 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk)
return;

if (local) {
- if (mptcp_pm_alloc_anno_list(msk, local)) {
+ if (mptcp_pm_alloc_anno_list(msk, &local->addr)) {
__clear_bit(local->addr.id, msk->pm.id_avail_bitmap);
msk->pm.add_addr_signaled++;
mptcp_pm_announce_addr(msk, &local->addr, false);
diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c
index 47a883a16c11..b5a8aa4c1ebd 100644
--- a/net/mptcp/pm_userspace.c
+++ b/net/mptcp/pm_userspace.c
@@ -193,7 +193,7 @@ int mptcp_nl_cmd_announce(struct sk_buff *skb, struct genl_info *info)
lock_sock((struct sock *)msk);
spin_lock_bh(&msk->pm.lock);

- if (mptcp_pm_alloc_anno_list(msk, &addr_val)) {
+ if (mptcp_pm_alloc_anno_list(msk, &addr_val.addr)) {
msk->pm.add_addr_signaled++;
mptcp_pm_announce_addr(msk, &addr_val.addr, false);
mptcp_pm_nl_addr_send_ack(msk);
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index bb4cacd92778..3a1a64cdeba6 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -817,7 +817,7 @@ int mptcp_pm_nl_mp_prio_send_ack(struct mptcp_sock *msk,
struct mptcp_addr_info *rem,
u8 bkup);
bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk,
- const struct mptcp_pm_addr_entry *entry);
+ const struct mptcp_addr_info *addr);
void mptcp_pm_free_anno_list(struct mptcp_sock *msk);
bool mptcp_pm_sport_in_anno_list(struct mptcp_sock *msk, const struct sock *sk);
struct mptcp_pm_add_entry *

--
2.40.1