[PATCH ovpn-net] ovpn: fix incorrect use of rcu_access_pointer()
Qingfang Deng <[email protected]>
| Newsgroups | gmane.network.openvpn.devel |
|---|---|
| Message-ID | <[email protected]> |
rcu_access_pointer() should only be used to test the value of a pointer,
not to dereference it. Use rcu_dereference() instead. No extra
rcu_read_lock() is needed here, as the spin_lock_bh() above marks an RCU
critical section.
Fixes: f6226ae7a0cd ("ovpn: introduce the ovpn_socket object")
Signed-off-by: Qingfang Deng <[email protected]>
---
drivers/net/ovpn/peer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ovpn/peer.c b/drivers/net/ovpn/peer.c
index a09d61296425..8de737579112 100644
--- a/drivers/net/ovpn/peer.c
+++ b/drivers/net/ovpn/peer.c
@@ -1164,7 +1164,7 @@ static void ovpn_peer_release_p2p(struct ovpn_priv *ovpn, struct sock *sk,
}
if (sk) {
- ovpn_sock = rcu_access_pointer(peer->sock);
+ ovpn_sock = rcu_dereference(peer->sock);
if (!ovpn_sock || ovpn_sock->sk != sk) {
spin_unlock_bh(&ovpn->lock);
ovpn_peer_put(peer);
--
2.43.0