summaryrefslogtreecommitdiff
path: root/drivers/net/wireguard/peer.c
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo <acme@redhat.com>2021-03-08 10:11:33 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-03-08 10:11:33 -0300
commit009ef05f98129aa91c62c3baab859ba593a15bb2 (patch)
treef3414f08d636a597545b1e4f443b373b9d6d8f4b /drivers/net/wireguard/peer.c
parent2777b81b379df772defd654bc4d3fa82dca17a4b (diff)
parent144c79ef33536b4ecb4951e07dbc1f2b7fa99d32 (diff)
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up the fixes sent for v5.12 and continue development based on v5.12-rc2, i.e. without the swap on file bug. This also gets a slightly newer and better tools/perf/arch/arm/util/cs-etm.c patch version, using the BIT() macro, that had already been slated to v5.13 but ended up going to v5.12-rc1 on an older version. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/net/wireguard/peer.c')
-rw-r--r--drivers/net/wireguard/peer.c28
1 files changed, 9 insertions, 19 deletions
diff --git a/drivers/net/wireguard/peer.c b/drivers/net/wireguard/peer.c
index b3b6370e6b95..cd5cb0292cb6 100644
--- a/drivers/net/wireguard/peer.c
+++ b/drivers/net/wireguard/peer.c
@@ -32,27 +32,22 @@ struct wg_peer *wg_peer_create(struct wg_device *wg,
peer = kzalloc(sizeof(*peer), GFP_KERNEL);
if (unlikely(!peer))
return ERR_PTR(ret);
- peer->device = wg;
+ if (dst_cache_init(&peer->endpoint_cache, GFP_KERNEL))
+ goto err;
+ peer->device = wg;
wg_noise_handshake_init(&peer->handshake, &wg->static_identity,
public_key, preshared_key, peer);
- if (dst_cache_init(&peer->endpoint_cache, GFP_KERNEL))
- goto err_1;
- if (wg_packet_queue_init(&peer->tx_queue, wg_packet_tx_worker, false,
- MAX_QUEUED_PACKETS))
- goto err_2;
- if (wg_packet_queue_init(&peer->rx_queue, NULL, false,
- MAX_QUEUED_PACKETS))
- goto err_3;
-
peer->internal_id = atomic64_inc_return(&peer_counter);
peer->serial_work_cpu = nr_cpumask_bits;
wg_cookie_init(&peer->latest_cookie);
wg_timers_init(peer);
wg_cookie_checker_precompute_peer_keys(peer);
spin_lock_init(&peer->keypairs.keypair_update_lock);
- INIT_WORK(&peer->transmit_handshake_work,
- wg_packet_handshake_send_worker);
+ INIT_WORK(&peer->transmit_handshake_work, wg_packet_handshake_send_worker);
+ INIT_WORK(&peer->transmit_packet_work, wg_packet_tx_worker);
+ wg_prev_queue_init(&peer->tx_queue);
+ wg_prev_queue_init(&peer->rx_queue);
rwlock_init(&peer->endpoint_lock);
kref_init(&peer->refcount);
skb_queue_head_init(&peer->staged_packet_queue);
@@ -68,11 +63,7 @@ struct wg_peer *wg_peer_create(struct wg_device *wg,
pr_debug("%s: Peer %llu created\n", wg->dev->name, peer->internal_id);
return peer;
-err_3:
- wg_packet_queue_free(&peer->tx_queue, false);
-err_2:
- dst_cache_destroy(&peer->endpoint_cache);
-err_1:
+err:
kfree(peer);
return ERR_PTR(ret);
}
@@ -197,8 +188,7 @@ static void rcu_release(struct rcu_head *rcu)
struct wg_peer *peer = container_of(rcu, struct wg_peer, rcu);
dst_cache_destroy(&peer->endpoint_cache);
- wg_packet_queue_free(&peer->rx_queue, false);
- wg_packet_queue_free(&peer->tx_queue, false);
+ WARN_ON(wg_prev_queue_peek(&peer->tx_queue) || wg_prev_queue_peek(&peer->rx_queue));
/* The final zeroing takes care of clearing any remaining handshake key
* material and other potentially sensitive information.