From: Geliang Tang <geliangtang@xxxxxxxxx>
commit d88c476f4a7dd69a2588470f6c4f8b663efa16c6 upstream.
This patch exported the static function lookup_anno_list_by_saddr, and
renamed it to mptcp_lookup_anno_list_by_saddr.
Signed-off-by: Geliang Tang <geliangtang@xxxxxxxxx>
Signed-off-by: Mat Martineau <mathew.j.martineau@xxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Stable-dep-of: b4cd80b03389 ("mptcp: pm: Fix uaf in __timer_delete_sync")
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
---
net/mptcp/pm_netlink.c | 10 +++++-----
net/mptcp/protocol.h | 3 +++
2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index f115c92c45d4..0b566678cc96 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -194,9 +194,9 @@ static void check_work_pending(struct mptcp_sock *msk)
WRITE_ONCE(msk->pm.work_pending, false);
}
-static struct mptcp_pm_add_entry *
-lookup_anno_list_by_saddr(struct mptcp_sock *msk,
- struct mptcp_addr_info *addr)
+struct mptcp_pm_add_entry *
+mptcp_lookup_anno_list_by_saddr(struct mptcp_sock *msk,
+ struct mptcp_addr_info *addr)
{
struct mptcp_pm_add_entry *entry;
@@ -255,7 +255,7 @@ mptcp_pm_del_add_timer(struct mptcp_sock *msk,
struct sock *sk = (struct sock *)msk;
spin_lock_bh(&msk->pm.lock);
- entry = lookup_anno_list_by_saddr(msk, addr);
+ entry = mptcp_lookup_anno_list_by_saddr(msk, addr);
if (entry)
entry->retrans_times = ADD_ADDR_RETRANS_MAX;
spin_unlock_bh(&msk->pm.lock);
@@ -272,7 +272,7 @@ static bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk,
struct mptcp_pm_add_entry *add_entry = NULL;
struct sock *sk = (struct sock *)msk;
- if (lookup_anno_list_by_saddr(msk, &entry->addr))
+ if (mptcp_lookup_anno_list_by_saddr(msk, &entry->addr))
return false;
add_entry = kmalloc(sizeof(*add_entry), GFP_ATOMIC);
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index b8351b671c2f..eaaff2cee4d5 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -451,6 +451,9 @@ void mptcp_pm_free_anno_list(struct mptcp_sock *msk);
struct mptcp_pm_add_entry *
mptcp_pm_del_add_timer(struct mptcp_sock *msk,
struct mptcp_addr_info *addr);
+struct mptcp_pm_add_entry *
+mptcp_lookup_anno_list_by_saddr(struct mptcp_sock *msk,
+ struct mptcp_addr_info *addr);
int mptcp_pm_announce_addr(struct mptcp_sock *msk,
const struct mptcp_addr_info *addr,
--
2.45.2
